US2102325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airplane control rod and method of making the same
Assignee: Boeing Co
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Filing: 1936-06-09
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Granted: 1937-12-14
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Expires: 1956-06-09
Abstract
No abstract record available.
Inventors
- 👤 Kylstra John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:40
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/04; F; F16; F16C; F16C7/00; F16C7/06; F16G; F16G11/00; F16G11/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T403/00; Y10T403/49; Y10T403/4991; Y10T428/00; Y10T428/12; Y10T428/1241; Y10T428/12451; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/20426; Y10T74/21; Y10T74/2142
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) | 1940-12-13 | 1941-06-14 | 1941-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-12-13 | 1945-06-14 | 1945-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-12-13 | 1949-06-14 | 1949-12-14 | $7700.00 | Window Closed / Lapsed |