US2949600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control systems, especially for automatic machine tools
Assignee: EMI Ltd
•
Filing: 1954-10-01
•
Granted: 1960-08-16
•
Expires: 1974-10-01
Abstract
No abstract record available.
Inventors
- 👤 May Christopher Archibald G Le
- 👤 Stephenson Geoffrey Huson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:02
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/34; C25D5/38; C23; C23G; C23G1/00; C23G1/02; C23G1/10; C23G1/106; G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/408; H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US584463A
Cited
DE647724C
Cited
US2682814A
Cited
US2696600A
Cited
US2685084A
Cited
US2738504A
Cited
US2676289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |