US2485189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener for attaching container backs or covers
Assignee: United Carr Fastener Corp
•
Filing: 1946-10-19
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Granted: 1949-10-18
•
Expires: 1966-10-19
Abstract
No abstract record available.
Inventors
- 👤 Wilmer H Churchill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:27
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/44; F16B12/46; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44906; Y10T24/44915; Y10T292/00; Y10T292/08; Y10T292/0894; Y10T292/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US738490A
Cited
US1955648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |