Patent US3453836A successfully refreshed from Google Patents.
US3453836A
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Liquefied petroleum gas tanker
Assignee: Individual
•
Filing: 1967-07-24
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Granted: 1969-07-08
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Expires: 1987-07-24
Abstract
No abstract record available.
Inventors
- 👤 Emory L Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:05
CPC Classifications
B; B63; B63J; B63J2/00; B63J2/12; B63J2/14; F; F17; F17C; F17C13/00; F17C13/02; F17C13/026; F17C2201/00; F17C2201/01; F17C2201/0147; F17C2201/0157; F17C2201/05; F17C2201/052; F17C2203/00; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0631; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2223/04; F17C2223/042; F17C2223/046; F17C2223/047; F17C2225/00; F17C2225/01; F17C2225/0146; F17C2225/0153; F17C2225/03; F17C2225/033; F17C2225/04; F17C2225/042; F17C2225/043; F17C2225/044; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; F17C2227/0171; F17C2227/0178; F17C2227/0185; F17C2227/03; F17C2227/0337; F17C2227/0367; F17C2227/0369; F17C2227/0372; F17C2227/0374; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/0631; F17C2265/00; F17C2265/03; F17C2265/032; F17C2265/033; F17C2265/034; F17C2265/035; F17C2270/00; F17C2270/01; F17C2270/0102; F17C2270/0105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3159004A
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US3196623A
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US3191394A
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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) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |