US1146331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Keyboard of type-writing machines and the like.
Assignee: TYPEWRITER SPEED KEY Co
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Filing: 1909-12-17
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Granted: 1915-07-13
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Expires: 1929-12-17
Abstract
No abstract record available.
Inventors
- 👤 John H Hotson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:12
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/02; H01H3/12; H01H3/122; H01H3/125
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) | 1918-07-12 | 1919-01-11 | 1919-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-07-12 | 1923-01-11 | 1923-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-07-12 | 1927-01-11 | 1927-07-13 | $7700.00 | Window Closed / Lapsed |