Patent US1664806A successfully refreshed from Google Patents.
Patent US3913108A successfully refreshed from Google Patents.
US3913108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radome formed of curable billet and wound tape
Assignee: Avco Corp
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Filing: 1974-07-19
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Granted: 1975-10-14
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Expires: 1994-07-19
Abstract
Abstract A unitary radome fabricated by winding a tape of curable material about a mandrel and a portion of a partially cured billet. The radome is final cured and machined to produce a smooth surfaced, unitary and homogenous structure.
Inventors
- 👤 Kenneth E Branen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:25
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/42
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
63 words
A radome having a substantially conical shape comprising: a substantially hollow billet forming the apex of the radome, said billet having front and rear portions, said rear portion being defined by a reduced thickness; a tape material wound to form the remainder of the radome overlapping the rear portion of the billet; and the billet and the tape form a cured homogenous radome.
Claim 2
Dependent Claim
63 words
A radome having a substantially conical shape comprising: a substantially hollow billet forming the apex of the radome, said billet having front and rear portions, said rear portion being defined by a reduced thickness; a tape material wound to form the remainder of the radome overlapping the rear portion of the billet; and the billet and the tape form a cured homogenous radome.
Claim 3
Dependent Claim
40 words
The radome of claim 1 wherein the exterior surface of said reduced thickness section is substantially parallel to the exterior surface of the remainder of said billet and joined by an exterior surface sloped relative to the parallel exterior surfaces.
Claim 4
Dependent Claim
15 words
The radome of claim 1 wherein the angle of said apex is approximately 30* .
Claim 5
Dependent Claim
22 words
A radome as defined in claim 1 wherein said billet is configured from a plurality of superimposed conically shaped layers of material.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-13 | 1979-04-14 | 1979-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-13 | 1983-04-14 | 1983-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-13 | 1987-04-14 | 1987-10-14 | $7700.00 | Window Closed / Lapsed |