Patent US2474385A successfully refreshed from Google Patents.
US2474385A
Expired / Lapsed
US
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Typewriter support
Assignee: Individual
•
Filing: 1944-04-08
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Granted: 1949-06-28
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Expires: 1964-04-08
Abstract
No abstract record available.
Inventors
- 👤 Vale Jalva
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:40
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US502991A
Cited
US528488A
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US631512A
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US1297866A
Cited
US1401458A
Cited
US1837826A
Cited
US1824822A
Cited
US2272819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-27 | 1952-12-27 | 1953-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-27 | 1956-12-27 | 1957-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-27 | 1960-12-27 | 1961-06-28 | $7700.00 | Window Closed / Lapsed |