US1608669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tapering attachment for turret lathes
Assignee: Individual
•
Filing: 1925-01-26
•
Granted: 1926-11-30
•
Expires: 1945-01-26
Abstract
No abstract record available.
Inventors
- 👤 Prydz John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:27
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/36; B23B5/38; B23B29/00; B23B29/04; B23B29/12; B23B29/16; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; Y; Y10; Y10T; Y10T82/00; Y10T82/15; Y10T82/154; Y10T82/156; Y10T82/25; Y10T82/2583
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) | 1929-11-29 | 1930-05-31 | 1930-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-11-29 | 1934-05-31 | 1934-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-11-29 | 1938-05-31 | 1938-11-30 | $7700.00 | Window Closed / Lapsed |