US2687910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap ring connection for cylinders and cylinder heads
Assignee: CHARLES L PETCH
•
Filing: 1949-01-18
•
Granted: 1954-08-31
•
Expires: 1969-01-18
Abstract
No abstract record available.
Inventors
- 👤 Petch Charles Lorenz
- 👤 Warrick Frederick Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:31
CPC Classifications
F; F16; F16J; F16J10/00; F16J10/02; F02; F02F; F02F1/00; F02F1/02; F02F1/10; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/18; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2502290A
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US2595787A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |