US1611122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and machine for milling threads
Assignee: Individual
•
Filing: 1924-01-11
•
Granted: 1926-12-14
•
Expires: 1944-01-11
Abstract
No abstract record available.
Inventors
- 👤 George E Mirfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:49
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/32; Y; Y10; Y10S; Y10S279/00; Y10S279/904; Y10T; Y10T279/00; Y10T279/10; Y10T279/1004; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5109; Y10T29/5113; Y10T409/00; Y10T409/30; Y10T409/300056; Y10T409/300112; Y10T409/300672; Y10T82/00; Y10T82/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1929-12-13 | 1930-06-14 | 1930-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-12-13 | 1934-06-14 | 1934-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-12-13 | 1938-06-14 | 1938-12-14 | $7700.00 | Window Closed / Lapsed |