Hierarchy/Derived subclasses
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uspto searches
Patent Apps in 554/1Granted Patents in 554/1
Use the links above or do an advanced search in ppubs for:
(554/1.ccls. or 554/7.ccls. or 554/2.ccls. or 554/3.ccls. or 554/4.ccls. or 554/5.ccls. or 554/6.ccls. or 554/8.ccls. or 554/9.ccls. or 554/10.ccls. or 554/11.ccls. or 554/12.ccls. or 554/13.ccls. or 554/14.ccls. or 554/15.ccls. or 554/16.ccls. or 554/17.ccls. or 554/18.ccls. or 554/19.ccls. or 554/20.ccls. or 554/21.ccls. or 554/22.ccls. or 554/23.ccls. or 554/24.ccls. or 554/25.ccls. or 554/26.ccls. or 554/27.ccls. or 554/28.ccls. or 554/29.ccls. or 554/30.ccls. or 554/31.ccls. or 554/32.ccls. or 554/33.ccls. or 554/34.ccls. or 554/35.ccls. or 554/36.ccls. or 554/37.ccls. or 554/38.ccls. or 554/39.ccls. or 554/40.ccls. or 554/41.ccls. or 554/42.ccls. or 554/43.ccls. or 554/44.ccls. or 554/45.ccls. or 554/46.ccls. or 554/47.ccls. or 554/48.ccls. or 554/49.ccls. or 554/50.ccls. or 554/51.ccls. or 554/52.ccls. or 554/53.ccls. or 554/54.ccls. or 554/55.ccls. or 554/56.ccls. or 554/57.ccls. or 554/58.ccls. or 554/59.ccls. or 554/60.ccls. or 554/61.ccls. or 554/62.ccls. or 554/63.ccls. or 554/64.ccls. or 554/65.ccls. or 554/66.ccls. or 554/67.ccls. or 554/68.ccls. or 554/69.ccls. or 554/70.ccls. or 554/71.ccls. or 554/72.ccls. or 554/73.ccls. or 554/74.ccls. or 554/75.ccls. or 554/76.ccls. or 554/77.ccls. or 554/78.ccls. or 554/79.ccls. or 554/80.ccls. or 554/81.ccls. or 554/82.ccls. or 554/83.ccls. or 554/84.ccls. or 554/85.ccls. or 554/86.ccls. or 554/87.ccls. or 554/88.ccls. or 554/89.ccls. or 554/90.ccls. or 554/91.ccls. or 554/92.ccls. or 554/93.ccls. or 554/94.ccls. or 554/95.ccls. or 554/96.ccls. or 554/97.ccls. or 554/98.ccls. or 554/99.ccls. or 554/100.ccls. or 554/101.ccls. or 554/102.ccls. or 554/103.ccls. or 554/104.ccls. or 554/105.ccls. or 554/106.ccls. or 554/107.ccls. or 554/108.ccls. or 554/109.ccls. or 554/110.ccls. or 554/111.ccls. or 554/112.ccls. or 554/113.ccls. or 554/114.ccls. or 554/115.ccls. or 554/116.ccls. or 554/117.ccls. or 554/118.ccls. or 554/119.ccls. or 554/120.ccls. or 554/121.ccls. or 554/122.ccls. or 554/123.ccls. or 554/124.ccls. or 554/125.ccls. or 554/126.ccls. or 554/127.ccls. or 554/128.ccls. or 554/129.ccls. or 554/130.ccls. or 554/131.ccls. or 554/132.ccls. or 554/133.ccls. or 554/134.ccls. or 554/135.ccls. or 554/136.ccls. or 554/137.ccls. or 554/138.ccls. or 554/139.ccls. or 554/140.ccls. or 554/141.ccls. or 554/142.ccls. or 554/143.ccls. or 554/144.ccls. or 554/145.ccls. or 554/146.ccls. or 554/147.ccls. or 554/148.ccls. or 554/149.ccls. or 554/150.ccls. or 554/151.ccls. or 554/152.ccls. or 554/153.ccls. or 554/154.ccls. or 554/155.ccls. or 554/156.ccls. or 554/157.ccls. or 554/158.ccls. or 554/159.ccls. or 554/160.ccls. or 554/161.ccls. or 554/162.ccls. or 554/163.ccls. or 554/164.ccls. or 554/165.ccls. or 554/166.ccls. or 554/167.ccls. or 554/168.ccls. or 554/169.ccls. or 554/170.ccls. or 554/171.ccls. or 554/172.ccls. or 554/173.ccls. or 554/174.ccls. or 554/175.ccls. or 554/176.ccls. or 554/177.ccls. or 554/178.ccls. or 554/179.ccls. or 554/180.ccls. or 554/181.ccls. or 554/182.ccls. or 554/183.ccls. or 554/184.ccls. or 554/185.ccls. or 554/186.ccls. or 554/187.ccls. or 554/188.ccls. or 554/189.ccls. or 554/190.ccls. or 554/191.ccls. or 554/192.ccls. or 554/193.ccls. or 554/194.ccls. or 554/195.ccls. or 554/196.ccls. or 554/197.ccls. or 554/198.ccls. or 554/199.ccls. or 554/200.ccls. or 554/201.ccls. or 554/202.ccls. or 554/203.ccls. or 554/204.ccls. or 554/205.ccls. or 554/206.ccls. or 554/207.ccls. or 554/208.ccls. or 554/209.ccls. or 554/210.ccls. or 554/211.ccls. or 554/212.ccls. or 554/213.ccls. or 554/214.ccls. or 554/215.ccls. or 554/216.ccls. or 554/217.ccls. or 554/218.ccls. or 554/219.ccls. or 554/220.ccls. or 554/221.ccls. or 554/222.ccls. or 554/223.ccls. or 554/224.ccls. or 554/225.ccls. or 554/226.ccls. or 554/227.ccls. or 554/228.ccls. or 554/229.ccls. or 554/230.ccls. or 554/231.ccls.)
At about 35 search terms the uspto will give you this error "Too many search terms" The 35th term is bold.
This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.