US2428194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft control
Assignee: Individual
•
Filing: 1942-06-08
•
Granted: 1947-09-30
•
Expires: 1962-06-08
Abstract
No abstract record available.
Inventors
- 👤 George E Bockrath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:38
CPC Classifications
B; B64; B64C; B64C17/00; B64C1/00; B64C2001/0045; Y; Y02; Y02T; Y02T50/00; Y02T50/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191012195A
Cited
US1124584A
Cited
US1083464A
Cited
US1492006A
Cited
US1783348A
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US1729210A
Cited
US1892927A
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US1935824A
Cited
US2065684A
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US2104006A
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US2254473A
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US2112757A
Cited
US2082172A
Cited
US2112755A
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FR803976A
Cited
US2092424A
Cited
US2164531A
Cited
US2198893A
Cited
US2156994A
Cited
US2110516A
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US2271226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-29 | 1951-03-31 | 1951-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-29 | 1955-03-31 | 1955-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-29 | 1959-03-31 | 1959-09-30 | $7700.00 | Window Closed / Lapsed |