Patent US4727097A successfully refreshed from Google Patents.
US2986368A
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Assignee: Orenda Engines Ltd
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Filing: 1958-07-24
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Granted: 1961-05-30
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Expires: 1978-07-24
Abstract
No abstract record available.
Inventors
- 👤 Moore Derek Wilbur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:21
CPC Classifications
F; F16; F16K; F16K47/00; F16K47/02; F16K47/023; F16K31/00; F16K31/12; F16K31/36; F16K31/40; Y; Y10; Y10T; Y10T137/00; Y10T137/794; Y10T137/8085; Y10T137/8593; Y10T137/86381
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) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |