Patent US3266660A successfully refreshed from Google Patents.
US3266660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filament wound vessel
Assignee: Metal Containers Ltd
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Filing: 1964-05-22
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Granted: 1966-08-16
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Expires: 1984-05-22
Abstract
No abstract record available.
Inventors
- 👤 Ragettli Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:33
CPC Classifications
B; B65; B65D; B65D13/00; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; B29C53/602
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A RIGID VESSEL COMPRISING AT LEAST TWO SHELLS EACH OF WHICH COMPRISING A FILAMENT WOUND SIMILARLY SHAPED HOLLOW BODY, CORRESPONDING TO A SURFACE OF REVOLUTION AND INCLUDING TWO POLES, SAID SHELLS BEING DISTINCT FROM ONE ANOTHER, FITTING INTO ONE ANOTHER AND SUPPORTING ONE ANOTHER OVER SUBSTANTIALLY THEIR ENTIRE SURFACE AREA, SAID SHELLS BEING SECURED TO ONE ANOTHER ONLY ADJACENT TO ONE OF SAID POLES, SAID SHELLS BEING FREE OF ATTACHMENT TO ONE ANOTHER OVER THE REMAINDER OF THEIR SURFACE AREA AND THE UNSECURED POLE OF SAID INNER SHELL HAVING A RELATIVELY LARGE POLAR OPENING FORMED THEREIN.
Claim 2
Dependent Claim
96 words
A RIGID VESSEL COMPRISING AT LEAST TWO SHELLS EACH OF WHICH COMPRISING A FILAMENT WOUND SIMILARLY SHAPED HOLLOW BODY, CORRESPONDING TO A SURFACE OF REVOLUTION AND INCLUDING TWO POLES, SAID SHELLS BEING DISTINCT FROM ONE ANOTHER, FITTING INTO ONE ANOTHER AND SUPPORTING ONE ANOTHER OVER SUBSTANTIALLY THEIR ENTIRE SURFACE AREA, SAID SHELLS BEING SECURED TO ONE ANOTHER ONLY ADJACENT TO ONE OF SAID POLES, SAID SHELLS BEING FREE OF ATTACHMENT TO ONE ANOTHER OVER THE REMAINDER OF THEIR SURFACE AREA AND THE UNSECURED POLE OF SAID INNER SHELL HAVING A RELATIVELY LARGE POLAR OPENING FORMED THEREIN.
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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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |