US3148596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic brake cup with expander
Assignee: Individual
•
Filing: 1964-02-04
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Granted: 1964-09-15
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Expires: 1984-02-04
Abstract
No abstract record available.
Inventors
- 👤 Sr Frank Pagano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:49
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/14; F16D65/16; F16D65/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
THE COMBINATION WITH A CYLINDER AND A PISTON SLIDABLY THEREIN, OF AN ELASTIC SEALING CUP HAVING A CIRCULAR BASE ABUTTING ONE SIDE OF SAID PISTON AND AN INTEGRAL CIRCULAR LIP EXTENDING FROM THE PERIPHERY AND ONE SIDE OF THE BASE AND ENGAGING THE CYLINDER WALL, AN EXPANDER BODY SLIDABLY MOUNTED IN SAID CYLINDER HAVING A PORTION TO ABUT SAID BASE OF THE SEALING CUP AND ANOTHER PORTION IN SPACED RELATION TO THE SEALING CUP AND OPPOSED TO SAID LIP, AN EXPANDER RING BETWEEN SAID EXPANDER BODY AND SAID SEALING CUP ENGAGEABLE WITH THE INNER SURFACE WITH SAID LIP, SAID EXPANDER RING AND THE INNER SURFACE OF SAID
Claim 2
Dependent Claim
107 words
THE COMBINATION WITH A CYLINDER AND A PISTON SLIDABLY THEREIN, OF AN ELASTIC SEALING CUP HAVING A CIRCULAR BASE ABUTTING ONE SIDE OF SAID PISTON AND AN INTEGRAL CIRCULAR LIP EXTENDING FROM THE PERIPHERY AND ONE SIDE OF THE BASE AND ENGAGING THE CYLINDER WALL, AN EXPANDER BODY SLIDABLY MOUNTED IN SAID CYLINDER HAVING A PORTION TO ABUT SAID BASE OF THE SEALING CUP AND ANOTHER PORTION IN SPACED RELATION TO THE SEALING CUP AND OPPOSED TO SAID LIP, AN EXPANDER RING BETWEEN SAID EXPANDER BODY AND SAID SEALING CUP ENGAGEABLE WITH THE INNER SURFACE WITH SAID LIP, SAID EXPANDER RING AND THE INNER SURFACE OF SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |