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Patent US3018916A successfully refreshed from Google Patents.
US3018916A
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US
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Tank construction
Assignee: Conch International Methane Ltd
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Filing: 1958-06-23
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Granted: 1962-01-30
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Expires: 1978-06-23
Abstract
No abstract record available.
Inventors
- 👤 James J Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:24
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/08; F17C13/082; F17C2203/00; F17C2203/01; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2295609A
Cited
GB541507A
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US2401606A
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US2600015A
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US2545686A
Cited
US2858136A
Cited
US2810265A
Cited
US2830444A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |