US3090299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ribbon tensioning mechanism for high speed printers
Assignee: Potter Instrument Co Inc
•
Filing: 1961-06-02
•
Granted: 1963-05-21
•
Expires: 1981-06-02
Abstract
No abstract record available.
Inventors
- 👤 George E Comstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:04
CPC Classifications
B; B41; B41J; B41J33/00; B41J33/14; B41J33/24; B41J33/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US127731A
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GB191021018A
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US1953316A
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US2066687A
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US2307108A
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US2339199A
Cited
US2627807A
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US2630901A
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US2940385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |