US2319036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-color ribbon mechanism
Assignee: AT&T Teletype Corp
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Filing: 1941-01-02
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Granted: 1943-05-11
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Expires: 1961-01-02
Abstract
No abstract record available.
Inventors
- 👤 Charles W Burcky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:50
CPC Classifications
B; B41; B41J; B41J35/00; B41J35/04; B41J35/10; B41J35/12; B41J35/14; B41J33/00; B41J33/14; B41J33/60
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) | 1946-05-10 | 1946-11-09 | 1947-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-10 | 1950-11-09 | 1951-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-10 | 1954-11-09 | 1955-05-11 | $7700.00 | Window Closed / Lapsed |