US3286267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable subreflector support for cassegrainian antenna
Assignee: AT&T Inc
•
Filing: 1964-06-17
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Granted: 1966-11-15
•
Expires: 1984-06-17
Abstract
No abstract record available.
Inventors
- 👤 Lutchansky Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:52
CPC Classifications
H; H01; H01Q; H01Q19/00; H01Q19/10; H01Q19/18; H01Q19/19; H01Q1/00; H01Q1/08; H01Q1/081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A CASSEGRAINIAN ANTENNA COMPRISING A MAIN REFLECTOR, A SUBREFLECTOR, AN INFLATED MEMBRANE HOLDING SAID SUBREFLECTOR IN FRONT OF SAID MAIN REFLECTOR, AND AT LEAST TWO GUYING MEMBERS CONNECTED BETWEEN SAID MAIN REFLECTOR AND SAID SUBREFLECTOR AND SUPPORTING THE PORTION OF THE LOAD TRANSVERSE TO SAID INFLATED MEMBRANE TO PRODUCE MOMENTS ON SAID SUBREFLECTOR JUST SUFFICIENT TO MAINTAIN SAID SUBREFLECTOR IN THE SAME ANGULAR POSITION RELATIVE TO SAID MAIN REFLECTOR FOR ALL ELEVATIONAL ANGLES OF THE ANTENNA.
Claim 2
Dependent Claim
76 words
A CASSEGRAINIAN ANTENNA COMPRISING A MAIN REFLECTOR, A SUBREFLECTOR, AN INFLATED MEMBRANE HOLDING SAID SUBREFLECTOR IN FRONT OF SAID MAIN REFLECTOR, AND AT LEAST TWO GUYING MEMBERS CONNECTED BETWEEN SAID MAIN REFLECTOR AND SAID SUBREFLECTOR AND SUPPORTING THE PORTION OF THE LOAD TRANSVERSE TO SAID INFLATED MEMBRANE TO PRODUCE MOMENTS ON SAID SUBREFLECTOR JUST SUFFICIENT TO MAINTAIN SAID SUBREFLECTOR IN THE SAME ANGULAR POSITION RELATIVE TO SAID MAIN REFLECTOR FOR ALL ELEVATIONAL ANGLES OF THE ANTENNA.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |