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Patent US3468138A successfully refreshed from Google Patents.
US3468138A
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Coupling with reinforced flexible element
Assignee: Reliance Electric Co
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Filing: 1967-10-19
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Granted: 1969-09-23
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Expires: 1987-10-19
Abstract
No abstract record available.
Inventors
- 👤 Holmes A Downey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:05
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/72; F16D3/74; F16D2003/745
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1569989A
Cited
US2648958A
Cited
US2940572A
Cited
FR1248272A
Cited
US3178906A
Cited
US3283535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |