Patent US959080A successfully refreshed from Google Patents.
US959080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coking coal.
Assignee: Individual
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Filing: 1908-08-05
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Granted: 1910-05-24
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Expires: 1928-08-05
Abstract
No abstract record available.
Inventors
- 👤 Samuel B Sheldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:44
CPC Classifications
C; C10; C10B; C10B31/00; C10B31/02; C10B31/04; C10B45/00
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) | 1913-05-23 | 1913-11-22 | 1914-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-05-23 | 1917-11-22 | 1918-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-05-23 | 1921-11-22 | 1922-05-24 | $7700.00 | Window Closed / Lapsed |