US1293381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blade for pugging-mills.
Assignee: ERNEST W FARR
•
Filing: 1917-11-23
•
Granted: 1919-02-04
•
Expires: 1937-11-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur O Dupuy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:09
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/26; B02C13/28; B02C13/2804; B01; B01F; B01F27/00; B01F27/80; A; A21; A21C; A21C1/00; A21C1/02; B01F27/05; B01F27/051; B01F27/07; B01F27/071; B02C17/00; B02C17/16; B02C17/163
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) | 1922-02-03 | 1922-08-05 | 1923-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-02-03 | 1926-08-05 | 1927-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-02-03 | 1930-08-05 | 1931-02-04 | $7700.00 | Window Closed / Lapsed |