US1077438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic speedometer.
Assignee: Stewart Warner Speedometer Corp
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Filing: 1910-11-05
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Granted: 1913-11-04
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Expires: 1930-11-05
Abstract
No abstract record available.
Inventors
- 👤 John K Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:54
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/42; G01P3/44; G01P3/49; G01P3/495
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) | 1916-11-03 | 1917-05-05 | 1917-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-11-03 | 1921-05-05 | 1921-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-11-03 | 1925-05-05 | 1925-11-04 | $7700.00 | Window Closed / Lapsed |