Patent US2770475A successfully refreshed from Google Patents.
US2770475A
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US
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Rotative swing joint coupling with replaceable bushing
Assignee: Individual
•
Filing: 1951-10-01
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Granted: 1956-11-13
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Expires: 1971-10-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Rafferty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:16
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/08; F16L27/0804; F16L27/0808; F16L27/0824; F16L27/0832
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2305525A
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US2337403A
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US2511495A
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US2489441A
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US2414997A
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US2458714A
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US2518443A
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US2655391A
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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) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |