Patent US3028722A successfully refreshed from Google Patents.
US3028722A
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Secondary clock synchronizing mechanism
Assignee: CINCINNATI TIME RECORDER CO
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Filing: 1959-09-29
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Granted: 1962-04-10
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Expires: 1979-09-29
Abstract
No abstract record available.
Inventors
- 👤 Vernon T Kleimeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:25
CPC Classifications
G; G04; G04C; G04C15/00; G04C15/0063; G04C15/0072; G04C11/00; G04C11/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1960508A
Cited
US2198632A
Cited
US2332278A
Cited
US2447798A
Cited
US2652683A
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US2700271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |