Patent US1908592A successfully refreshed from Google Patents.
US1908592A
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US
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Work-rotating structure for machine tools
Assignee: Individual
•
Filing: 1931-04-18
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Granted: 1933-05-09
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Expires: 1951-04-18
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Flather
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:25
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/12; F; F16; F16B; F16B2200/00; F16B2200/50; F16B2200/506; Y; Y10; Y10T; Y10T279/00; Y10T279/35; Y10T403/00; Y10T403/32; Y10T403/32975; Y10T82/00; Y10T82/25; Y10T82/2552; Y10T82/2562
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) | 1936-05-08 | 1936-11-07 | 1937-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-08 | 1940-11-07 | 1941-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-08 | 1944-11-07 | 1945-05-09 | $7700.00 | Window Closed / Lapsed |