US1920035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutter bit and chuck
Assignee: Individual
•
Filing: 1932-02-02
•
Granted: 1933-07-25
•
Expires: 1952-02-02
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:25
CPC Classifications
E; E21; E21C; E21C35/00; E21C35/18; E21C35/19; E21C35/193; E21C35/191; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17564; Y10T403/00; Y10T403/70; Y10T403/7041; Y10T407/00; Y10T407/22; Y10T407/2272; Y10T407/2282; Y10T407/23
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) | 1936-07-24 | 1937-01-23 | 1937-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-24 | 1941-01-23 | 1941-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-24 | 1945-01-23 | 1945-07-25 | $7700.00 | Window Closed / Lapsed |