US3140415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-dimensional display cathode ray tube
Assignee: Raytheon Co
•
Filing: 1960-06-16
•
Granted: 1964-07-07
•
Expires: 1980-06-16
Abstract
No abstract record available.
Inventors
- 👤 Richard D Ketchpel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:30
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/22; G; G01; G01S; G01S7/00; G01S7/02; G01S7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
IN A DEVICE OF THE CLASS DESCRIBED, THE COMBINATION OF A DISPLAY SCREEN, MEANS FOR ROTATING SAID SCREEN ABOUT AN AXIS IN THE PLANE OF SAID SCREEN WHEREBY THE SURFACE OF SAID SCREEN WILL SWEEP THROUGHOUT A PREDETERMINED VOLUME AND STATIONARY MEANS FOR EXCITING PRESELECTED POR-
Claim 2
Dependent Claim
46 words
IN A DEVICE OF THE CLASS DESCRIBED, THE COMBINATION OF A DISPLAY SCREEN, MEANS FOR ROTATING SAID SCREEN ABOUT AN AXIS IN THE PLANE OF SAID SCREEN WHEREBY THE SURFACE OF SAID SCREEN WILL SWEEP THROUGHOUT A PREDETERMINED VOLUME AND STATIONARY MEANS FOR EXCITING PRESELECTED POR-
References Cited (Backward Citations)
US2422937A
Cited
US2967905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |