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US860666A
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Recording speed-indicator.
Assignee: SPEEDOGRAPH Co
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Filing: 1906-04-12
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Granted: 1907-07-23
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Expires: 1926-04-12
Abstract
No abstract record available.
Inventors
- 👤 Charles F Iszard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:17
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/54; B01L3/545; B01L3/5453; G; G01; G01N; G01N35/00; G01N35/10
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) | 1910-07-22 | 1911-01-21 | 1911-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-07-22 | 1915-01-21 | 1915-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-07-22 | 1919-01-21 | 1919-07-23 | $7700.00 | Window Closed / Lapsed |