Patent US2490194A successfully refreshed from Google Patents.
US2490194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating mechanism for safety can closures
Assignee: GEN DETROIT CORP
•
Filing: 1946-05-17
•
Granted: 1949-12-06
•
Expires: 1966-05-17
Abstract
No abstract record available.
Inventors
- 👤 Barclay Ivar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:41
CPC Classifications
B; B65; B65D; B65D45/00; B65D45/02; B65D45/025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1103319A
Cited
US1709265A
Cited
US2122540A
Cited
US2147230A
Cited
US2335195A
Cited
US2364206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |