Patent US1022801A successfully refreshed from Google Patents.
US1022801A
Expired / Lapsed
US
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Instrument for indicating speed and running time of machines.
Assignee: Individual
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Filing: 1910-04-05
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Granted: 1912-04-09
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Expires: 1930-04-05
Abstract
No abstract record available.
Inventors
- 👤 Ralph Shipman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:43
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/02; G01P3/10
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) | 1915-04-09 | 1915-10-09 | 1916-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-04-09 | 1919-10-09 | 1920-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-04-09 | 1923-10-09 | 1924-04-09 | $7700.00 | Window Closed / Lapsed |