US2809057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible joint for annular members and employing wedge shaped connecting units
Assignee: ORENDA EUGINES Ltd
•
Filing: 1955-02-18
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Granted: 1957-10-08
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Expires: 1975-02-18
Abstract
No abstract record available.
Inventors
- 👤 Mceachern Alexander Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:51
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/10; F16L27/1004; F02; F02K; F02K1/00; F02K1/78; F02K1/80; F16B; F16B3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2466602A
Cited
US2439161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |