US2495652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chronometric recorder
Assignee: SERDEX Inc
•
Filing: 1946-06-05
•
Granted: 1950-01-24
•
Expires: 1966-06-05
Abstract
No abstract record available.
Inventors
- 👤 William K Coburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:00
CPC Classifications
G; G01; G01W; G01W1/00; G01W1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2081652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-23 | 1953-07-25 | 1954-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-23 | 1957-07-25 | 1958-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-23 | 1961-07-25 | 1962-01-24 | $7700.00 | Window Closed / Lapsed |