US1816526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time controlled coin device for radiocircuits
Assignee: Monarch Tool & Machinery Co
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Filing: 1929-09-26
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Granted: 1931-07-28
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Expires: 1949-09-26
Abstract
No abstract record available.
Inventors
- 👤 Louis M Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:42
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/28; Y; Y10; Y10S; Y10S200/00; Y10S200/03
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) | 1934-07-27 | 1935-01-26 | 1935-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-07-27 | 1939-01-26 | 1939-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-07-27 | 1943-01-26 | 1943-07-28 | $7700.00 | Window Closed / Lapsed |