Patent US4239729A successfully refreshed from Google Patents.
US3115162A
Expired / Lapsed
US
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Accumulator
Assignee: American Metal Products Co
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Filing: 1959-07-16
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Granted: 1963-12-24
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Expires: 1979-07-16
Abstract
No abstract record available.
Inventors
- 👤 Raymond C Posh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:18
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B1/10; F15B1/16; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/315; F15B2201/3151; F15B2201/40; F15B2201/41; F15B2201/413; F15B2201/415; F15B2201/4155; F15B2201/60; F15B2201/61
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN AN ACCUMULATOR: A CENTRAL CORE STRUCTURE OF SOLID CROSS SECTION; A RESILIENT SLEEVE SURROUNDING SAID CORE STRUCTURE; AN OUTER RIGID CASING SURROUNDING SAID SLEEVE, PERIPHERAL END PORTIONS OF SAID SLEEVE BEING COMPRESSED BETWEEN OUTER PERIPHERAL END PORTIONS OF SAID CORE STRUCTURE AND INNER PERIPHERAL END PORTIONS OF SAID CASING; AND A CAP CLOSING EACH END OF SAID CASING IN SEALED RELATION THERETO, AT LEAST ONE OF SAID CAPS HAVING A PASSAGEWAY THERETHROUGH COMMUNICATING WITH THE OUTSIDE OF SAID CORE STRUCTURE.
Claim 2
Dependent Claim
81 words
IN AN ACCUMULATOR: A CENTRAL CORE STRUCTURE OF SOLID CROSS SECTION; A RESILIENT SLEEVE SURROUNDING SAID CORE STRUCTURE; AN OUTER RIGID CASING SURROUNDING SAID SLEEVE, PERIPHERAL END PORTIONS OF SAID SLEEVE BEING COMPRESSED BETWEEN OUTER PERIPHERAL END PORTIONS OF SAID CORE STRUCTURE AND INNER PERIPHERAL END PORTIONS OF SAID CASING; AND A CAP CLOSING EACH END OF SAID CASING IN SEALED RELATION THERETO, AT LEAST ONE OF SAID CAPS HAVING A PASSAGEWAY THERETHROUGH COMMUNICATING WITH THE OUTSIDE OF SAID CORE STRUCTURE.
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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) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |