US2947186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coin slide actuated timer
Assignee: H Greenwald Co Inc
•
Filing: 1958-06-03
•
Granted: 1960-08-02
•
Expires: 1978-06-03
Abstract
No abstract record available.
Inventors
- 👤 Greenwald Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:55
CPC Classifications
G; G07; G07F; G07F15/00; G07F15/12; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18936; Y10T74/1896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US441536A
Cited
US1198437A
Cited
US1578655A
Cited
US2102372A
Cited
US2664330A
Cited
US2800806A
Cited
US2828636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |