Patent US1477598A successfully refreshed from Google Patents.
US1477598A
Expired / Lapsed
US
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Safety device for radial drills
Assignee: Niles Bement Pond Co
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Filing: 1922-12-29
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Granted: 1923-12-18
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Expires: 1942-12-29
Abstract
No abstract record available.
Inventors
- 👤 Willard T Sears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:19
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/54; B23Q5/58; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18696
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) | 1926-12-17 | 1927-06-18 | 1927-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-12-17 | 1931-06-18 | 1931-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-12-17 | 1935-06-18 | 1935-12-18 | $7700.00 | Window Closed / Lapsed |