US2089078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Taper attachment for lathes
Assignee: Individual
•
Filing: 1936-05-20
•
Granted: 1937-08-03
•
Expires: 1956-05-20
Abstract
No abstract record available.
Inventors
- 👤 Tyson Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:55
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/36; B23B5/38; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5109; Y10T29/5113; Y10T29/5178; Y10T82/00; Y10T82/14; Y10T82/148; Y10T82/15; Y10T82/154; Y10T82/156; Y10T82/158; Y10T82/25; Y10T82/2531
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) | 1940-08-02 | 1941-02-01 | 1941-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-02 | 1945-02-01 | 1945-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-02 | 1949-02-01 | 1949-08-03 | $7700.00 | Window Closed / Lapsed |