Patent US3528582A successfully refreshed from Google Patents.
US3528582A
Expired / Lapsed
US
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Fluid-tight metal tank
Assignee: Individual
•
Filing: 1968-08-29
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Granted: 1970-09-15
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Expires: 1988-08-29
Abstract
No abstract record available.
Inventors
- 👤 Georges Alfred Rigollot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:23
CPC Classifications
G; G21; G21C; G21C13/00; G21C13/08; G21C13/087; F; F02; F02C; F02C6/00; F02C6/14; F17; F17C; F17C1/00; F17C1/02; F17C1/08; F17C2201/00; F17C2201/01; F17C2201/0147; F17C2201/0152; F17C2201/0171; F17C2203/00; F17C2203/01; F17C2203/011; F17C2203/013; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0614; F17C2203/0617; F17C2209/00; F17C2209/22; F17C2209/221; F17C2209/23; F17C2209/232; F17C2221/00; F17C2221/03; F17C2221/031; F17C2221/032; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2223/035; F17C2260/00; F17C2260/01; F17C2260/011; F17C2270/00; F17C2270/01; F17C2270/0142; F17C2270/0144; F17C2270/0147; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2516100A
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US2668634A
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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) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |