US2428828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tachometer
Assignee: JAEGER WATCH Co Inc
•
Filing: 1943-10-20
•
Granted: 1947-10-14
•
Expires: 1963-10-20
Abstract
No abstract record available.
Inventors
- 👤 Berge Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:12
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/04; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19172
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US321365A
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US580432A
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US1447426A
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US650465A
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US940638A
Cited
US1178078A
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US1297793A
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US1490796A
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US1736064A
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US1978605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-13 | 1951-04-14 | 1951-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-13 | 1955-04-14 | 1955-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-13 | 1959-04-14 | 1959-10-14 | $7700.00 | Window Closed / Lapsed |