US2565985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Symbol typing and tape feeding mechanism for typewriting machines
Assignee: COXHEAD RALPH C CORP
•
Filing: 1946-08-10
•
Granted: 1951-08-28
•
Expires: 1966-08-10
Abstract
No abstract record available.
Inventors
- 👤 Charles W Norton
- 👤 John H Ritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:03
CPC Classifications
B; B41; B41J; B41J1/00; B41J1/18
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |