US2453492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barrel closing ring
Assignee: ROBERT V WARGA
•
Filing: 1945-03-29
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Granted: 1948-11-09
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Expires: 1965-03-29
Abstract
No abstract record available.
Inventors
- 👤 Carter Ben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:09
CPC Classifications
B; B65; B65D; B65D45/00; B65D45/32; B65D45/34; B65D45/345; Y; Y10; Y10S; Y10S248/00; Y10S248/907; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1418; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/212; Y10T292/216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US625573A
Cited
US1740957A
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US1924578A
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US1974201A
Cited
US2111830A
Cited
US2126966A
Cited
US2133060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |