US2860323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for synchronizing a pair of data handling devices
Assignee: Monroe Calculating Machine Co
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Filing: 1953-07-24
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Granted: 1958-11-11
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Expires: 1973-07-24
Abstract
No abstract record available.
Inventors
- 👤 William H Burkhart
- 👤 Manna Richard J La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:35
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/01; G06K7/016; G11; G11B; G11B5/00; G11B5/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2637812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |