Patent US2543919A successfully refreshed from Google Patents.
US2543919A
Expired / Lapsed
US
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Feeding mechanism for writing machines
Assignee: Moore Business Forms Inc
•
Filing: 1946-05-21
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Granted: 1951-03-06
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Expires: 1966-05-21
Abstract
No abstract record available.
Inventors
- 👤 Carl R Mabon
- 👤 Louis F Hageman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:55
CPC Classifications
B; B41; B41J; B41J19/00; B41J19/76; B41J19/78; B41J19/94
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2066029A
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US2028813A
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US2168448A
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US2138646A
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US2246968A
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US2240568A
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US2326291A
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US2294784A
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US2392838A
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US2426944A
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US2348059A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |