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US2618186A
Expired / Lapsed
US
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Torque-limiting rotary power transmission device
Assignee: Bridgeport Brass Co
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Filing: 1950-11-15
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Granted: 1952-11-18
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Expires: 1970-11-15
Abstract
No abstract record available.
Inventors
- 👤 Charles H Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:48
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/02; H02K49/04; H02K49/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1310626A
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US643413A
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US653424A
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US2232789A
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US2553256A
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US2497402A
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US2521574A
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US2541831A
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US2566743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |