Patent US837599A successfully refreshed from Google Patents.
US837599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Test-clamp.
Assignee: Individual
•
Filing: 1906-03-08
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Granted: 1906-12-04
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Expires: 1926-03-08
Abstract
No abstract record available.
Inventors
- 👤 John H Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:16
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/24; H01R4/2404; H01R4/2412
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) | 1909-12-03 | 1910-06-04 | 1910-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-12-03 | 1914-06-04 | 1914-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-12-03 | 1918-06-04 | 1918-12-04 | $7700.00 | Window Closed / Lapsed |