Patent US2325825A successfully refreshed from Google Patents.
US956485A
Expired / Lapsed
US
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Finger-key for type-writing and similar machines.
Assignee: Whitehead & Hoag Co
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Filing: 1909-09-29
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Granted: 1910-04-26
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Expires: 1929-09-29
Abstract
No abstract record available.
Inventors
- 👤 Edward D Conklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:20
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/50; B29C66/51; B29C66/53; B29C66/534
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) | 1913-04-25 | 1913-10-25 | 1914-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-04-25 | 1917-10-25 | 1918-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-04-25 | 1921-10-25 | 1922-04-26 | $7700.00 | Window Closed / Lapsed |