US2583636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Platen support and feed roll mechanism
Assignee: Underwood Corp
•
Filing: 1949-02-12
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Granted: 1952-01-29
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Expires: 1969-02-12
Abstract
No abstract record available.
Inventors
- 👤 William A Dobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:53
CPC Classifications
B; B41; B41J; B41J13/00; B41J13/02; B41J13/036; B41J13/042
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) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |