Patent US4080246A successfully refreshed from Google Patents.
Patent US3202249A successfully refreshed from Google Patents.
US3202249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch and brake unit
Assignee: Devlieg Bullard Inc
•
Filing: 1962-07-06
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Granted: 1965-08-24
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Expires: 1982-07-06
Abstract
No abstract record available.
Inventors
- 👤 Karl P Schubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:07
CPC Classifications
F; F16; F16D; F16D67/00; F16D67/02; F16D67/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A DRIVE UNIT INCLUDING IN COMBINATION A HOUSING, A SHAFT IN SAID HOUSING, MEANS RORATIVELY MOUNTING SAID SHAFT, A SHIFTER MEMBER ROTATIVELY CONNECTED TO SAID SHAFT AND CAPABLE OF AXIAL SHIFTING MOVEMENT RELATIVE THERETO AN ANNULAR GROOVE ON SAID SHIFTER MEMBER, A GEAR MEMBER, CLUTCH PLATE MEANS BETWEEN SAID GEAR MEMBER AND SAID SHIFTER MEMBER, SPRING MEANS URGING SAID SHIFTER MEMBER IN A FIRST AXIAL DIRECTION TO NORMALLY ENGAGE SAID CLUTCH PLATE MEANS, BRAKE PLATE MEANS BETWEEN SAID HOUSING AND SAID SHIFTER MEMBER, WALL MEANS DEFINING A CYLINDER IN SAID HOUSING HAVING AN AXIS PARALLEL TO AND DISPLACED FROM SAID SHAFT A PISTON IN SAID CYLINDER,
Claim 2
Dependent Claim
106 words
A DRIVE UNIT INCLUDING IN COMBINATION A HOUSING, A SHAFT IN SAID HOUSING, MEANS RORATIVELY MOUNTING SAID SHAFT, A SHIFTER MEMBER ROTATIVELY CONNECTED TO SAID SHAFT AND CAPABLE OF AXIAL SHIFTING MOVEMENT RELATIVE THERETO AN ANNULAR GROOVE ON SAID SHIFTER MEMBER, A GEAR MEMBER, CLUTCH PLATE MEANS BETWEEN SAID GEAR MEMBER AND SAID SHIFTER MEMBER, SPRING MEANS URGING SAID SHIFTER MEMBER IN A FIRST AXIAL DIRECTION TO NORMALLY ENGAGE SAID CLUTCH PLATE MEANS, BRAKE PLATE MEANS BETWEEN SAID HOUSING AND SAID SHIFTER MEMBER, WALL MEANS DEFINING A CYLINDER IN SAID HOUSING HAVING AN AXIS PARALLEL TO AND DISPLACED FROM SAID SHAFT A PISTON IN SAID CYLINDER,
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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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |