US2505641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure for steel barrels
Assignee: Individual
•
Filing: 1946-08-06
•
Granted: 1950-04-25
•
Expires: 1966-08-06
Abstract
No abstract record available.
Inventors
- 👤 Herbert B Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:29
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/02; B65D43/0202; B65D43/0225; B65D43/0229; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/00259; B65D2543/00277; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00509; B65D2543/00537; B65D2543/00555; B65D2543/00574
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190413750A
Cited
US1013830A
Cited
US1431218A
Cited
US1687887A
Cited
US1715146A
Cited
US1925503A
Cited
GB339311A
Cited
US1823861A
Cited
US1981864A
Cited
US1980995A
Cited
CH168306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-24 | 1953-10-24 | 1954-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-24 | 1957-10-24 | 1958-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-24 | 1961-10-24 | 1962-04-25 | $7700.00 | Window Closed / Lapsed |