US3199374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive sustaining device
Assignee: Motors Liquidation Co
•
Filing: 1961-04-12
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Granted: 1965-08-10
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Expires: 1981-04-12
Abstract
No abstract record available.
Inventors
- 👤 John J O'malley
- 👤 Robert L Black
- 👤 Thomas R Zimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:04
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/02; F16D55/00; F16D55/24; F16D55/46; F16D2125/00; F16D2125/18; F16D2125/20; F16D2125/34; F16D2125/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A FRICTION DEVICE COMPRISING A SERIES OF FRICTION ELEMENTS, REACTION MEANS ACTIANG ON THE FRICTION ELEMENTS IN ONE DIRECTION, AND ENERGIZING MEANS URGING THE FRICTION ELEMENTS IN THE OPPOSITE DIRECTION AND TOWARDS THE REACTION MEANS OPERATIVE IN RESPONSE TO THE TORQUE OF A FRICTION ELEMENT TO ENGAGE THE FRICTION DEVICE SUFFICIENTLY TO SELF-SUSTAIN THE TORQUE AND THEREBY RENDERING THE FRICTION DEVICE CAPABLE OF SUSTAINING ALL SAID TORQUE.
Claim 2
Dependent Claim
67 words
A FRICTION DEVICE COMPRISING A SERIES OF FRICTION ELEMENTS, REACTION MEANS ACTIANG ON THE FRICTION ELEMENTS IN ONE DIRECTION, AND ENERGIZING MEANS URGING THE FRICTION ELEMENTS IN THE OPPOSITE DIRECTION AND TOWARDS THE REACTION MEANS OPERATIVE IN RESPONSE TO THE TORQUE OF A FRICTION ELEMENT TO ENGAGE THE FRICTION DEVICE SUFFICIENTLY TO SELF-SUSTAIN THE TORQUE AND THEREBY RENDERING THE FRICTION DEVICE CAPABLE OF SUSTAINING ALL SAID TORQUE.
References Cited (Backward Citations)
US838024A
Cited
US2230520A
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US2409506A
Cited
US2595860A
Cited
US2794521A
Cited
US2854098A
Cited
US2890605A
Cited
US2992705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |