US2942147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode ray tube cursor apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1958-04-07
•
Granted: 1960-06-21
•
Expires: 1978-04-07
Abstract
No abstract record available.
Inventors
- 👤 Morris J Taubenslag
- 👤 David E Goulden
- 👤 Hamburger Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:40
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2078644A
Cited
US2603755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |