Patent US3913468A successfully refreshed from Google Patents.
Patent US3367141A successfully refreshed from Google Patents.
US3367141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary shaft coupling
Assignee: Carrier Corp
•
Filing: 1965-09-21
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Granted: 1968-02-06
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Expires: 1985-09-21
Abstract
No abstract record available.
Inventors
- 👤 James R Baughman
- 👤 Papinchak Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:11
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/20; F16D3/22; F16D3/221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1362652A
Cited
US1634499A
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US1827129A
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US2650484A
Cited
US2675283A
Cited
US2906108A
Cited
US2982117A
Cited
US2978885A
Cited
US3279216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |