US2914212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating roof weather seal
Assignee: HAMMOND IRON WORKS
•
Filing: 1957-08-01
•
Granted: 1959-11-24
•
Expires: 1977-08-01
Abstract
No abstract record available.
Inventors
- 👤 Alexander F Fino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:38
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/34; B65D88/42; B65D88/50; Y; Y10; Y10S; Y10S277/00; Y10S277/909; Y10S277/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735573A
Cited
US1893162A
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US2092877A
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US2089698A
Cited
US2523292A
Cited
US2589876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |