US2822909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for automatically opening and closing the eyes of a ribbon carrier for typewriters and like printing machines
Assignee: Royal Mcbee Corp
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Filing: 1956-10-30
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Granted: 1958-02-11
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Expires: 1976-10-30
Abstract
No abstract record available.
Inventors
- 👤 Earl A Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:36
CPC Classifications
B; B41; B41J; B41J31/00; B41J31/10; B41J35/00; B41J35/04; B41J35/06
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) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |