Patent US6424872B1 successfully refreshed from Google Patents.
US3277983A
Expired / Lapsed
US
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Compensating brake structure
Assignee: Individual
•
Filing: 1964-02-03
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Granted: 1966-10-11
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Expires: 1984-02-03
Abstract
No abstract record available.
Inventors
- 👤 Dan W Jeffries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:07
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/54; F16D65/14; F16D65/16; F16D65/18; F16D2121/00; F16D2121/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
92 words
IN A BRAKE STRUCTURE: A PISTON MEMBER; A CYLINDER MEMBER; FRICTION MEANS YIELDINGLY GRIPPING ONE OF THE MEMBERS; A LOST MOTION CONNECTION BETWEEN THE FRICTION MEANS AND THE OTHER OF SAID MEMBERS, INCLUDING A RELATIVELY FIXED STOP MEANS AND A RELATIVELY YIELDING STOP MEANS RESPECTIVELY ENGAGED BY THE FRICTION MEANS UPON OPPOSITE MOVEMENT OF THE FRICTION MEANS RELATIVE TO THE OTHER OF SAID MEMBERS; A SPRING FOR NORMALLY POSITIONING SAID FRICTION MEANS AGAINST THE YIELDING STOP MEANS; AND A SUPPLEMENTAL PISTON FOR URGING THE FRICTION MEANS TOWARD SAID RELATIVELY FIXED STOP MEANS.
References Cited (Backward Citations)
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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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |