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Patent US2405818A successfully refreshed from Google Patents.
US2405818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock disk for timing systems
Assignee: GEN TIME INSTR CORP
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Filing: 1944-03-06
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Granted: 1946-08-13
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Expires: 1964-03-06
Abstract
No abstract record available.
Inventors
- 👤 Adolph L Denniston
- 👤 Martin Samuel Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:52
CPC Classifications
G; G04; G04C; G04C13/00; G04C13/08; G04C13/10; G04C13/105; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/2063
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) | 1949-08-12 | 1950-02-11 | 1950-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-08-12 | 1954-02-11 | 1954-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-08-12 | 1958-02-11 | 1958-08-13 | $7700.00 | Window Closed / Lapsed |