US3232185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and devices for making a hydraulic control device fluid-tight
Assignee: MacGregor Comarain SA
•
Filing: 1962-08-17
•
Granted: 1966-02-01
•
Expires: 1982-08-17
Abstract
No abstract record available.
Inventors
- 👤 Kummerman Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:16
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/54; F16J15/545; F16J15/16; F16J15/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A SEAL FOR THE END OF A HYDRAULIC MOTOR COMPRISING AN ANNULAR GASKET THE CROSS SECTION OF WHICH IS IN THE FORM OF AN ISOCELES TRIANGLE AND WHEREIN SAID GASKET IS FORMED ON ITS INNER SIDE WITH RECESSES DISPOSED AT REGULAR SPACED INTERVALS AND OPENING ON THE TWO EQUAL FACES OF THE GASKET WHICH ARE OPPOSITE TO SAID HYPOTENUSE SIDE, WHEREBY SAID RECESSES FORM CASTELLATIONS ON EACH FACE.
Claim 2
Dependent Claim
68 words
A SEAL FOR THE END OF A HYDRAULIC MOTOR COMPRISING AN ANNULAR GASKET THE CROSS SECTION OF WHICH IS IN THE FORM OF AN ISOCELES TRIANGLE AND WHEREIN SAID GASKET IS FORMED ON ITS INNER SIDE WITH RECESSES DISPOSED AT REGULAR SPACED INTERVALS AND OPENING ON THE TWO EQUAL FACES OF THE GASKET WHICH ARE OPPOSITE TO SAID HYPOTENUSE SIDE, WHEREBY SAID RECESSES FORM CASTELLATIONS ON EACH FACE.
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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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |