US3153235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concave polyhedral reflector
Assignee: Teledyne Ryan Aeronautical Corp
•
Filing: 1961-03-27
•
Granted: 1964-10-13
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Expires: 1981-03-27
Abstract
No abstract record available.
Inventors
- 👤 Maurice G Chatelain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:28
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/14; H01Q15/18; Y; Y10; Y10S; Y10S52/00; Y10S52/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A REFLECTOR ANTENNA HAVING A HOLLOW, EXPANSIBLE POLYHEDRAL BODY CONSISTING OF A PLURALITY OF INWARDLY EXTENDING RECESSES.
Claim 2
Dependent Claim
17 words
A REFLECTOR ANTENNA HAVING A HOLLOW, EXPANSIBLE POLYHEDRAL BODY CONSISTING OF A PLURALITY OF INWARDLY EXTENDING RECESSES.
References Cited (Backward Citations)
US2520008A
Cited
US2778010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |