US2852728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote control system for automatic positioning of switches
Assignee: Curtiss Wright Corp
•
Filing: 1956-08-28
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Granted: 1958-09-16
•
Expires: 1976-08-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Samson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:31
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/125; G05D3/127; H; H03; H03J; H03J5/00; H03J5/02; H03J5/14; H03J5/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2405628A
Cited
US2755425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |