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US2821918A
Expired / Lapsed
US
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Ribbon feed mechanism in selective printing machines
Assignee: Individual
•
Filing: 1953-11-30
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Granted: 1958-02-04
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Expires: 1973-11-30
Abstract
No abstract record available.
Inventors
- 👤 Louis M Llorens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:35
CPC Classifications
B; B41; B41J; B41J33/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2187200A
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US2297961A
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US2031860A
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US1811359A
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US2100027A
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US2335679A
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US2592706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |