US2658600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper guide for accounting machines
Assignee: Monroe Calculating Machine Co
•
Filing: 1950-02-23
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Granted: 1953-11-10
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Expires: 1970-02-23
Abstract
No abstract record available.
Inventors
- 👤 Howard M Fleming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:09
CPC Classifications
B; B41; B41J; B41J13/00; B41J13/10; B41J13/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US830480A
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US821382A
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US903482A
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US965231A
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US970708A
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US982657A
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US1127887A
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US1245220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |