US3425583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for keying liquefied gas storage tanks within a transport vessel
Assignee: Individual
•
Filing: 1966-09-07
•
Granted: 1969-02-04
•
Expires: 1986-09-07
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Bridges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:57
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/08; F17C13/082; B; B63; B63B; B63B25/00; B63B25/02; B63B25/08; B63B25/12; B63B25/16; F17C2203/00; F17C2203/01; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1094712A
Cited
US2241822A
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US2954003A
Cited
US2905352A
Cited
US3071094A
Cited
US3064612A
Cited
US3025993A
Cited
US3305122A
Cited
US3339515A
Cited
US3319431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |