Patent US4346943A successfully refreshed from Google Patents.
US683268A
Expired / Lapsed
US
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Process of treating sawdust or other granular material.
Assignee: JOHN MITCHELL JR
•
Filing: 1900-05-23
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Granted: 1901-09-24
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Expires: 1920-05-23
Abstract
No abstract record available.
Inventors
- 👤 Joshua G Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:50
CPC Classifications
C; C10; C10L; C10L5/00; C10L5/40; C10L5/44; Y; Y02; Y02E; Y02E50/00; Y02E50/10; Y02E50/30
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) | 1904-09-23 | 1905-03-25 | 1905-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-09-23 | 1909-03-25 | 1909-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-09-23 | 1913-03-25 | 1913-09-24 | $7700.00 | Window Closed / Lapsed |