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US2536619A
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Escapement mechanism for typewriting and like machines
Assignee: Underwood Corp
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Filing: 1948-03-26
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Granted: 1951-01-02
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Expires: 1968-03-26
Abstract
No abstract record available.
Inventors
- 👤 Harry C Yaeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:27
CPC Classifications
B; B41; B41J; B41J19/00; B41J19/18; B41J19/34; B41J19/42; F; F16; F16H; F16H21/00; F16H21/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1994544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |