US2970877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vending system
Assignee: Parsons Corp
•
Filing: 1957-07-25
•
Granted: 1961-02-07
•
Expires: 1977-07-25
Abstract
No abstract record available.
Inventors
- 👤 John T Parsons
- 👤 Floyd E Harwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:54
CPC Classifications
G; G06; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/342; G07; G07F; G07F7/00; G07F7/02; G07F7/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2338180A
Cited
US1850093A
Cited
US2196194A
Cited
US2353002A
Cited
GB656829A
Cited
US2554296A
Cited
US2792148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |