US2660351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Product dispensing machine
Assignee: Individual
•
Filing: 1951-03-31
•
Granted: 1953-11-24
•
Expires: 1971-03-31
Abstract
No abstract record available.
Inventors
- 👤 Ernest H Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:09
CPC Classifications
G; G07; G07F; G07F13/00; G07F13/06; G07F13/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR450717A
Cited
US1930540A
Cited
US2158795A
Cited
US2462019A
Cited
US2569486A
Cited
US2542067A
Cited
US2552856A
Cited
US2565084A
Cited
US2614738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |