US3431845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card controlled printing and numbering means
Assignee: Lathem Time Recorder Co
•
Filing: 1966-02-04
•
Granted: 1969-03-11
•
Expires: 1986-02-04
Abstract
No abstract record available.
Inventors
- 👤 Harrison G Hooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:06
CPC Classifications
G; G06; G06M; G06M3/00; G06M3/06; G06M3/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2922687A
Cited
US2019301A
Cited
US2045996A
Cited
US2087315A
Cited
US2257949A
Cited
US2283804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |