US2484424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lockable push-button device
Assignee: Cutler Hammer Inc
•
Filing: 1947-03-29
•
Granted: 1949-10-11
•
Expires: 1967-03-29
Abstract
No abstract record available.
Inventors
- 👤 Theodore F Rosing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:29
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/20; H01H9/28; H01H9/281; H01H9/282; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5615; Y10T70/5619; Y10T70/5637; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1310514A
Cited
US780860A
Cited
DE450189C
Cited
US1706518A
Cited
US1727087A
Cited
US1801228A
Cited
US2192060A
Cited
US2169860A
Cited
US2370877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |