US1992558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turning, forming, and threading attachment for drill presses
Assignee: FRANK G CAMPBELL
•
Filing: 1934-07-25
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Granted: 1935-02-26
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Expires: 1954-07-25
Abstract
No abstract record available.
Inventors
- 👤 Turnepseed Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:14
CPC Classifications
B; B23; B23B; B23B41/00; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T408/00; Y10T408/31; Y10T409/00; Y10T409/30; Y10T409/30868; Y10T409/308736; Y10T82/00; Y10T82/25; Y10T82/28
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) | 1938-02-25 | 1938-08-27 | 1939-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-02-25 | 1942-08-27 | 1943-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-02-25 | 1946-08-27 | 1947-02-26 | $7700.00 | Window Closed / Lapsed |