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Patent US1870595A successfully refreshed from Google Patents.
US1870595A
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Aeroplane structure
Assignee: GEN AVIAT CORP
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Filing: 1931-01-19
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Granted: 1932-08-09
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Expires: 1951-01-19
Abstract
No abstract record available.
Inventors
- 👤 Herbert V Thaden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:31
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-08-09 | 1936-02-08 | 1936-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-08-09 | 1940-02-08 | 1940-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-08-09 | 1944-02-08 | 1944-08-09 | $7700.00 | Window Closed / Lapsed |