US2919047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid storage floating cover
Assignee: HAMMOND IRON WORKS
•
Filing: 1958-08-19
•
Granted: 1959-12-29
•
Expires: 1978-08-19
Abstract
No abstract record available.
Inventors
- 👤 Alexander F Fino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:52
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB291618A
Cited
US2190476A
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US2307508A
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US2276635A
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US2573213A
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US2588876A
Cited
US2841804A
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US2867346A
Cited
US2804228A
Cited
US2803370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |