Patent US2319541A successfully refreshed from Google Patents.
US2319541A
Expired / Lapsed
US
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Token control mechanism
Assignee: PEREY Manufacturing CO Inc
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Filing: 1940-02-01
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Granted: 1943-05-18
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Expires: 1960-02-01
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Gersbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:02
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/14; G07F17/145; G07F1/00; G07F1/06; Y; Y10; Y10S; Y10S194/00; Y10S194/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-05-17 | 1946-11-16 | 1947-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-17 | 1950-11-16 | 1951-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-17 | 1954-11-16 | 1955-05-18 | $7700.00 | Window Closed / Lapsed |