US2120621A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chaser assembly
Assignee: Landis Machine Co
•
Filing: 1935-05-28
•
Granted: 1938-06-14
•
Expires: 1955-05-28
Abstract
No abstract record available.
Inventors
- 👤 Nell Frederic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:14
CPC Classifications
B; B23; B23G; B23G5/00; B23G5/08; B23G5/14; Y; Y10; Y10T; Y10T407/00; Y10T407/20; Y10T407/22; Y10T407/2272; Y10T407/2282; Y10T407/2292; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/854; Y10T408/855
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) | 1941-06-13 | 1941-12-13 | 1942-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-13 | 1945-12-13 | 1946-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-13 | 1949-12-13 | 1950-06-14 | $7700.00 | Window Closed / Lapsed |