Patent US2575490A successfully refreshed from Google Patents.
US2575490A
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US
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Friction plug closure
Assignee: Continental Can Co Inc
•
Filing: 1944-12-22
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Granted: 1951-11-20
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Expires: 1964-12-22
Abstract
No abstract record available.
Inventors
- 👤 Robert S Condon
- 👤 Alexander G Hatch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:13
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/02; B65D43/0202; B65D43/0214; B65D43/022; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/0012; B65D2543/00129; B65D2543/00148; B65D2543/00435; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00509; B65D2543/00537; B65D2543/00546
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US968425A
Cited
US1010538A
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US1247029A
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DE324410C
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US1208240A
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US1366056A
Cited
US2122537A
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US2199528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |