Patent US2118700A successfully refreshed from Google Patents.
US2118700A
Expired / Lapsed
US
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Listing adding machine
Assignee: Monroe Calculating Machine Co
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Filing: 1938-01-15
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Granted: 1938-05-24
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Expires: 1958-01-15
Abstract
No abstract record available.
Inventors
- 👤 Crosman Loring Pickering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:45
CPC Classifications
B; B41; B41J; B41J13/00; B41J13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-05-23 | 1941-11-22 | 1942-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-05-23 | 1945-11-22 | 1946-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-05-23 | 1949-11-22 | 1950-05-24 | $7700.00 | Window Closed / Lapsed |