Patent US1938780A successfully refreshed from Google Patents.
US1938780A
Expired / Lapsed
US
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Power operated clutch for machine tools
Assignee: Milacron Inc
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Filing: 1930-12-02
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Granted: 1933-12-12
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Expires: 1950-12-02
Abstract
No abstract record available.
Inventors
- 👤 Lester F Nenninger
- 👤 Sassen Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:33
CPC Classifications
F; F16; F16D; F16D48/00; F16D48/02; F16D48/04; F16D25/00; F16D25/12; F16D25/14; F16D2048/0221; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242
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) | 1936-12-11 | 1937-06-12 | 1937-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-12-11 | 1941-06-12 | 1941-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-12-11 | 1945-06-12 | 1945-12-12 | $7700.00 | Window Closed / Lapsed |