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US2656227A
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Compensating metallic thrust ring
Assignee: AV Roe Canada Ltd
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Filing: 1952-02-01
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Granted: 1953-10-20
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Expires: 1972-02-01
Abstract
No abstract record available.
Inventors
- 👤 Peter Dennis Comery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:04
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/06; F16C23/08; B; B60; B60T; B60T13/00; B60T13/10; B60T13/58; B60T13/585; B60T13/586; B60T13/66; B60T13/665; F16C35/00; F16C35/04; F16C35/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2530323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |