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Patents > Office: GB & Granted: Yes & Number of claims: 4

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Office: (Click arrow to add another value)
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None (233) · Budapest (3) · London (3) · Yorkshire (3) · Marseille (2) · England (2) · Allegheny county, Pennsylvania (2) · Manchester (2) · PA (2) · Leeds (2) · Pittsburgh (2) · New York (2) · Bouches-du-Rhône (2)
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Application number:
None (59)
Granted: (Click arrow to add another value)
Supplementary to patent:
None (186)
Related to aircraft:
Patent agent:
Marks & Clerk (31) · None (23) · Haseltine, Lake & Co. (19) · None (13) · Boult, Wade & Tennant (11) · Abel & Imray (10) · Brewer & Son (10) · Wheatley & Mackenzie (7) · W. P. Thompson & Co. (6) · Herbert Haddan & Co. (6) · J. S. Withers & Spooner (5) · Browne & Co. (5) · G. F. Redfern & Co. (5) · Jensen & Son (4) · A. M. & William Clark (4) · Phillips & Leigh (4)
IPCs:
None (55) · IPC B64C1/00 (19) · IPC B64C17/00 (19) · IPC B64C39/00 (17) · IPC B64C3/00 (13) · IPC B64C13/00 (12) · IPC B64B1/00 (12) · IPC B64C3/38 (9) · IPC B64C23/00 (9) · IPC B64C35/00 (9) · IPC B64C27/04 (7) · IPC B64C3/18 (7) · IPC B64C11/00 (6) · IPC B64C17/06 (5) · IPC B64B1/58 (4) · IPC B64C33/02 (4) · IPC B64C11/16 (4) · IPC B64C3/48 (4) · IPC B64C3/54 (3) · IPC B64D27/00 (3)
CPCs:
None (36) · CPC B64C17/00 (20) · CPC B64C13/00 (15) · CPC B64C3/00 (14) · CPC B64B1/00 (13) · CPC B64C2700/6256 (13) · CPC B64C2700/6295 (12) · CPC B64C39/00 (11) · CPC B64C23/005 (10) · CPC B64C2700/6274 (9) · CPC B64C3/385 (8) · CPC B64C2700/6235 (8) · CPC B64C2700/6281 (7) · CPC B64C35/00 (7) · CPC B64B1/58 (6) · CPC B64C2700/6218 (6) · CPC B64C11/006 (5) · CPC B64C27/04 (5) · CPC B64C3/48 (5) · CPC B64C17/06 (5)
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Citations from after 1930:
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