US3054526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-tight packing for floating-rooftype hydrocarbon tanks
Assignee: Individual
•
Filing: 1960-04-22
•
Granted: 1962-09-18
•
Expires: 1980-04-22
Abstract
No abstract record available.
Inventors
- 👤 Mercier Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:13
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/34; B65D88/42; F; F17; F17B; F17B1/00; F17B1/02; F17B1/04; F17B1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1463268A
Cited
US1426997A
Cited
US1994477A
Cited
US1931551A
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US2531424A
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US2516101A
Cited
US2968420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |