US3107583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake-release mechanism
Assignee: MGM Brakes Inc
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Filing: 1961-06-22
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Granted: 1963-10-22
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Expires: 1981-06-22
Abstract
No abstract record available.
Inventors
- 👤 Elmer R Woodward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:32
CPC Classifications
B; B61; B61H; B61H13/00; B61H13/005; B60; B60T; B60T17/00; B60T17/08; B60T17/085; B60T17/086; F; F16; F16D; F16D2121/00; F16D2121/02; F16D2121/12; F16D2123/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN COMBINATION, A BAKE-ACTUATING MECHANISM COMPRISING: A FIRST EXPANSIBLE CHAMBER DEVICE INCLUDING A HOUSING HAVING A FIRST MOVABLE WALL, A BRAKE-ACTUATING ROD OPERABLY ASSOCIATED WITH SAID WALL AND ADAPTED TO BE MOVED THEREBY IN A BRAKING DIRECTION, MEANS FOR TRANSMITTING FLUID PRESSURE INTO SAID FIRST EXPANSIBLE CHAMBER DEVICE MOVING SAID WALL IN A BRAKING DIRECTION, MEANS RESILIENTLY OPPOSING MOVEMENT OF SAID ROD IN A BRAKING DIRECTION AND BIASING SAID ROD INTO A BRAKE-RELEASING POSITION; AUXILIARY BRAKE-OPERATING MEANS COMPRISING A SECOND EXPANSIBLE CHAMBER DEVICE INCLUDING A HOUSING AND A SECOND MOVABLE WALL, MEANS INCLUDING A PUSH ROD ADJUSTABLY MOUNTED TO SAID SECOND MOVABLE WALL FOR TRANS-
Claim 2
Dependent Claim
105 words
IN COMBINATION, A BAKE-ACTUATING MECHANISM COMPRISING: A FIRST EXPANSIBLE CHAMBER DEVICE INCLUDING A HOUSING HAVING A FIRST MOVABLE WALL, A BRAKE-ACTUATING ROD OPERABLY ASSOCIATED WITH SAID WALL AND ADAPTED TO BE MOVED THEREBY IN A BRAKING DIRECTION, MEANS FOR TRANSMITTING FLUID PRESSURE INTO SAID FIRST EXPANSIBLE CHAMBER DEVICE MOVING SAID WALL IN A BRAKING DIRECTION, MEANS RESILIENTLY OPPOSING MOVEMENT OF SAID ROD IN A BRAKING DIRECTION AND BIASING SAID ROD INTO A BRAKE-RELEASING POSITION; AUXILIARY BRAKE-OPERATING MEANS COMPRISING A SECOND EXPANSIBLE CHAMBER DEVICE INCLUDING A HOUSING AND A SECOND MOVABLE WALL, MEANS INCLUDING A PUSH ROD ADJUSTABLY MOUNTED TO SAID SECOND MOVABLE WALL FOR TRANS-
References Cited (Backward Citations)
US2854954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |