Patent US3941171A successfully refreshed from Google Patents.
US299758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
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Granted: 1884-06-03
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Expires: 1901-06-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:45
CPC Classifications
G; G01; G01G; G01G21/00
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) | 1887-06-03 | 1887-12-03 | 1888-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-06-03 | 1891-12-03 | 1892-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-06-03 | 1895-12-03 | 1896-06-03 | $7700.00 | Window Closed / Lapsed |