US2316729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank for use in aircraft
Assignee: Napier Turbochargers Ltd
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Filing: 1942-05-12
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Granted: 1943-04-13
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Expires: 1962-05-12
Abstract
No abstract record available.
Inventors
- 👤 Tryon Henry Christopher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:48
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/26; B; B64; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/20; B64D37/22; F16; F16N; F16N19/00; F16N39/00; F16N39/002; F01; F01M; F01M13/00; F01M13/04; F01M2013/0422; F01M2013/0427; Y; Y10; Y10T; Y10T137/00; Y10T137/794; Y10T137/8593; Y10T137/86187; Y10T137/86204; Y10T137/86212
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) | 1946-04-12 | 1946-10-12 | 1947-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-12 | 1950-10-12 | 1951-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-12 | 1954-10-12 | 1955-04-13 | $7700.00 | Window Closed / Lapsed |