US2070926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve and rocker arm assembly for radial engines
Assignee: Kinner Airplane & Motor Corp L
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Filing: 1935-06-17
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Granted: 1937-02-16
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Expires: 1955-06-17
Abstract
No abstract record available.
Inventors
- 👤 Charles P Sander
- 👤 Walter H Righter
- 👤 Edenquist Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:33
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/26; F01L1/12; F02; F02B; F02B2275/00; F02B2275/18; F02F; F02F1/00; F02F1/24; F02F1/42; F02F1/4214; F02F2001/244; F02F2001/245; F02F2001/246
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) | 1940-02-16 | 1940-08-17 | 1941-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-02-16 | 1944-08-17 | 1945-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-02-16 | 1948-08-17 | 1949-02-16 | $7700.00 | Window Closed / Lapsed |