US2972402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ribbon feed mechanism
Assignee: TELEPRINTER Corp
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Filing: 1959-07-02
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Granted: 1961-02-21
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Expires: 1979-07-02
Abstract
No abstract record available.
Inventors
- 👤 Howard Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:27
CPC Classifications
B; B41; B41J; B41J33/00; B41J33/14; B41J33/40; B41J33/44; B41J33/51; B41J33/518; B41J33/02; B41J33/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |