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Patents > Office: FR & CPCs : CPC B64C33/00 or None

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Office: (Click arrow to add another value)
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None (1104)
Granted:
Supplementary to patent:
None (1043) · Patent FR-1841-9265 (6) · Patent FR-1836-5429 (3) · Patent FR-1890-205155 (3) · Patent FR-1880-139386 (3) · Patent FR-1878-124576 (3) · Patent FR-1861-51979 (3) · Patent FR-1881-142748 (3)
Related to aircraft:
Patent agent:
None (780) · Armengaud jeune (30) · Desnos (19) · Blétry aîné (18) · Chassevent (16) · Armengaud aîné (14) · Jules Mathieu (12) · Société Marillier et Robelet (12) · None (10) · Casalonga (9) · Dieuaide (9) · Dumas (8) · Société Louis Gudman et Cie (8) · Thirion (8) · Émile Barrault (7) · Josse (6) · Armand RICORDEAU (6) · Lavoix et Mosès (6)
National tech categories:
None (445) · FR 6.3 (400) · FR 5 (137) · FR 6.4 (98) · FR 6 (33) · FR 10.1 (14) · FR 3 (13) · FR 20 (13) · FR 6.2 (11) · FR 2 (8) · FR 10.2 (6) · FR 6.3? (4) · FR 12 (4) · FR 15 (4) · FR 5.3 (3) · FR 3.2 (3) · FR 20.1 (3) · FR 17 (3)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
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