Patent US3228549A successfully refreshed from Google Patents.
US3228549A
Expired / Lapsed
US
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Pressure vessel
Assignee: Bendix Corp
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Filing: 1961-02-27
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Granted: 1966-01-11
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Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Albert L Courtney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:15
CPC Classifications
F; F17; F17C; F17C1/00; F17C1/16; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2203/00; F17C2203/06; F17C2203/0602; F17C2203/0609; F17C2203/0634; F17C2203/0658; F17C2203/0663; F17C2203/0665; F17C2203/0668; F17C2209/00; F17C2209/21; F17C2209/2154; F17C2209/2163; F17C2270/00; F17C2270/01; F17C2270/0186; F17C2270/0197
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
A PRESSURE VESSEL HAVING A LAMINATED CASING COMPRISING A CYLINDRICAL SECTION, A CONTINUOUS CONVEXLY SHAPED END DOME FOR SAID CYLINDRICAL SECTION, SAID END DOME HAVING AN OPENING OFFSET FROM THE GEOMETRICAL CENTER OF SAID DOME, REINFORCEMENT MEMBER INCLUDING STRIPS OF TAPE DISPOSED WITH ONE EDGE THEREOF TANGENT TO SAID OPENING AND SPACED AT ANGULAR INCREMENTS AROUND THE PERIPHERY OF SAID OPENING TO SURROUND SAID OPENING AND
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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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |