US2594424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coin controlled oscillator for relay operation
Assignee: MAX L GRANT
•
Filing: 1949-07-21
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Granted: 1952-04-29
•
Expires: 1969-07-21
Abstract
No abstract record available.
Inventors
- 👤 Alexander M Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:31
CPC Classifications
G; G07; G07D; G07D5/00; G07D5/08; G07D5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1649828A
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US2512879A
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US2525016A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |