Patent US961180A successfully refreshed from Google Patents.
US961180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bone-black filter for clarifying gelatin liquors and the like.
Assignee: WILLIAM M HARDIE
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Filing: 1909-08-21
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Granted: 1910-06-14
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Expires: 1929-08-21
Abstract
No abstract record available.
Inventors
- 👤 John Henry Utley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:21
CPC Classifications
B; B01; B01D; B01D24/00; B01D24/02; B01D24/20; B01D24/24; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/917
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) | 1913-06-13 | 1913-12-13 | 1914-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-06-13 | 1917-12-13 | 1918-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-06-13 | 1921-12-13 | 1922-06-14 | $7700.00 | Window Closed / Lapsed |