US2957375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chip guard for drill press and router
Assignee: ARLENE R HOWLETT
•
Filing: 1959-03-23
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Granted: 1960-10-25
•
Expires: 1979-03-23
Abstract
No abstract record available.
Inventors
- 👤 Clarence R Howlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:52
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/0042; B23Q11/0046; Y; Y10; Y10T; Y10T408/00; Y10T408/44; Y10T408/50; Y10T408/96; Y10T408/98; Y10T74/00; Y10T74/21; Y10T74/2193
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190818732A
Cited
GB574285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |