Patent US2924320A successfully refreshed from Google Patents.
US2924320A
Expired / Lapsed
US
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Coin controlled mechanism
Assignee: H Greenwald Co Inc
•
Filing: 1955-01-10
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Granted: 1960-02-09
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Expires: 1975-01-10
Abstract
No abstract record available.
Inventors
- 👤 Greenwald Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:42
CPC Classifications
G; G07; G07F; G07F15/00; G07F15/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US806722A
Cited
US922045A
Cited
GB191518128A
Cited
GB156843A
Cited
US2267576A
Cited
US2349359A
Cited
US2672969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |