US2918941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure relief blow-out device
Assignee: Orenda Engines Ltd
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Filing: 1957-12-02
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Granted: 1959-12-29
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Expires: 1977-12-02
Abstract
No abstract record available.
Inventors
- 👤 Whiting James Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:54
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0446; F16L; F16L55/00; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/784
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |