US2163967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cut-off machine
Assignee: Ingersoll Milling Machine Co
•
Filing: 1938-01-12
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Granted: 1939-06-27
•
Expires: 1958-01-12
Abstract
No abstract record available.
Inventors
- 👤 Marion L Strawn
- 👤 Oberhoffken Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:14
CPC Classifications
B; B23; B23D; B23D45/00; B23D45/18; B23D45/20; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5184; Y10T83/00; Y10T83/465; Y10T83/4653; Y10T83/4656; Y10T83/4667; Y10T83/467; Y10T83/4673; Y10T83/4676; Y10T83/4679; Y10T83/4757; Y10T83/476; Y10T83/4766; Y10T83/4789; Y10T83/4795; Y10T83/4812; Y10T83/505
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) | 1942-06-26 | 1942-12-26 | 1943-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-06-26 | 1946-12-26 | 1947-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-06-26 | 1950-12-26 | 1951-06-27 | $7700.00 | Window Closed / Lapsed |