US2090262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control means for machine tools
Assignee: New Britain Machine Co
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Filing: 1933-09-15
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Granted: 1937-08-17
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Expires: 1953-09-15
Abstract
No abstract record available.
Inventors
- 👤 Donald H Montgomery
- 👤 William B Retz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:56
CPC Classifications
B; B23; B23B; B23B9/00; B23B9/02; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5125; Y10T29/5127; Y10T29/5128; Y10T29/5179; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676; Y10T82/00; Y10T82/25; Y10T82/2531
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) | 1940-08-16 | 1941-02-15 | 1941-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-16 | 1945-02-15 | 1945-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-16 | 1949-02-15 | 1949-08-17 | $7700.00 | Window Closed / Lapsed |