Patent US823444A successfully refreshed from Google Patents.
US823444A
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US
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Measuring instrument.
Assignee: Individual
•
Filing: 1905-05-01
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Granted: 1906-06-12
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Expires: 1925-05-01
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Sassaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:15
CPC Classifications
B; B43; B43L; B43L7/00; B43L7/10; B43L7/12; G; G01; G01B; G01B3/00; G01B3/56
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) | 1909-06-11 | 1909-12-11 | 1910-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-06-11 | 1913-12-11 | 1914-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-06-11 | 1917-12-11 | 1918-06-12 | $7700.00 | Window Closed / Lapsed |