US3414155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Walls for liquefied gas storage tanks
Assignee: Individual
•
Filing: 1966-08-25
•
Granted: 1968-12-03
•
Expires: 1986-08-25
Abstract
No abstract record available.
Inventors
- 👤 Ralph A Corvino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:30
CPC Classifications
B; B63; B63B; B63B25/00; B63B25/02; B63B25/08; B63B25/12; B63B25/16; F; F17; F17C; F17C3/00; F17C3/02; F17C3/025; F17C2209/00; F17C2209/22; F17C2209/221; F17C2209/23; F17C2209/232; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2270/00; F17C2270/01; F17C2270/0102; F17C2270/0105; F17C2270/0107; Y; Y10; Y10S; Y10S220/00; Y10S220/901; Y10S220/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2085313A
Cited
FR1007252A
Cited
US2817484A
Cited
US2820568A
Cited
US2844271A
Cited
US2896416A
Cited
US3064612A
Cited
FR1347589A
Cited
US3252610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |