US2982441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-storage tank
Assignee: Conch International Methane Ltd
•
Filing: 1957-01-16
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Granted: 1961-05-02
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Expires: 1977-01-16
Abstract
No abstract record available.
Inventors
- 👤 James H Farrell
- 👤 Hunsaker James Peter
- 👤 Jr George Y Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:50
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/02; B65D88/12; B65D88/128; F; F17; F17C; F17C3/00; F17C3/02; F17C3/025; F17C2201/00; F17C2201/01; F17C2201/0147; F17C2201/0157; F17C2201/05; F17C2201/052; F17C2203/00; F17C2203/01; F17C2203/011; F17C2203/012; F17C2203/013; F17C2203/06; F17C2203/0634; F17C2203/0636; F17C2203/0646; F17C2203/0648; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2260/00; F17C2260/01; F17C2260/011; F17C2270/00; F17C2270/01; F17C2270/0102; F17C2270/0105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1769831A
Cited
US2115165A
Cited
GB567936A
Cited
US2563118A
Cited
US2533041A
Cited
US2736449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |