US1960879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scarifier tooth
Assignee: MILLS ALLOYS Inc
•
Filing: 1931-05-22
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Granted: 1934-05-29
•
Expires: 1951-05-22
Abstract
No abstract record available.
Inventors
- 👤 Charles A Russell
- 👤 Carroll M Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:32
CPC Classifications
A; A01; A01B; A01B15/00; A01B15/02; A01B15/04; A01B35/00; A01B35/20; A01B35/22; A01B35/26; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/932; Y10S76/00; Y10S76/11; Y10T; Y10T407/00; Y10T407/26; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12139
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) | 1937-05-28 | 1937-11-27 | 1938-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-05-28 | 1941-11-27 | 1942-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-05-28 | 1945-11-27 | 1946-05-29 | $7700.00 | Window Closed / Lapsed |