US1972022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Milling tool
Assignee: Individual
•
Filing: 1931-07-27
•
Granted: 1934-08-28
•
Expires: 1951-07-27
Abstract
No abstract record available.
Inventors
- 👤 May Clarence Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:31
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/16; B23B5/161; B23B5/162; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/557; Y10T408/558; Y10T408/564; Y10T408/5647; Y10T408/65; Y10T408/675; Y10T408/6793; Y10T82/00; Y10T82/25; Y10T82/2522
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) | 1937-08-27 | 1938-02-26 | 1938-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-08-27 | 1942-02-26 | 1942-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-08-27 | 1946-02-26 | 1946-08-28 | $7700.00 | Window Closed / Lapsed |