Patent US3188100A successfully refreshed from Google Patents.
US3188100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal provided with ribs
Assignee: Individual
•
Filing: 1963-02-13
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Granted: 1965-06-08
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Expires: 1983-02-13
Abstract
No abstract record available.
Inventors
- 👤 Manuel M Delgado
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:30
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/08; F16J15/0887; F16J15/0893
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A SEAL COMPRISING: AN APPROXIMATELY TOROIDAL SHAPED HOLLOW BODY MADE OF A SPRING MATERIAL, SAID BODY HAVING AN ANNULAR SLOT THEREIN INTERNALLY THEREOF; AND A CIRCULAR RIB ON EACH OF THE OPPOSITE SIDES OF SAID BODY CLAD THERETO, SAID RIBS BEING MADE OF A RELATIVELY MALLEABLE MATERIAL.
Claim 2
Dependent Claim
47 words
A SEAL COMPRISING: AN APPROXIMATELY TOROIDAL SHAPED HOLLOW BODY MADE OF A SPRING MATERIAL, SAID BODY HAVING AN ANNULAR SLOT THEREIN INTERNALLY THEREOF; AND A CIRCULAR RIB ON EACH OF THE OPPOSITE SIDES OF SAID BODY CLAD THERETO, SAID RIBS BEING MADE OF A RELATIVELY MALLEABLE MATERIAL.
References Cited (Backward Citations)
US221202A
Cited
US3104884A
Cited
US1478108A
Cited
US1583931A
Cited
US2476151A
Cited
US2589107A
Cited
US2761828A
Cited
US2884693A
Cited
US2985566A
Cited
US2938758A
Cited
US2905512A
Cited
US3033582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |