US2769124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote control system with automatic follow-up
Assignee: Westinghouse Electric Corp
•
Filing: 1952-12-12
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Granted: 1956-10-30
•
Expires: 1972-12-12
Abstract
No abstract record available.
Inventors
- 👤 John R Erbe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:21
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2420501A
Cited
US2384380A
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US2460497A
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US2467454A
Cited
US2471075A
Cited
US2660699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |