Patent US3779808A successfully refreshed from Google Patents.
US3779808A
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US
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Polyester coated wire
Assignee: Unifrax I LLC
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Filing: 1971-10-07
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Granted: 1973-12-18
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Expires: 1991-10-07
Abstract
Abstract A wire insulated with an impervious oxybenzoyl polyester coating which can be produced by drawing the wire having a porous coating through a die.
Inventors
- 👤 S Cottis
- 👤 B Nowak
- 👤 J Economy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:24
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; H01B13/00; H01B13/06; H01B13/065; B; B05; B05D; B05D1/00; B05D1/02; B05D1/08; B05D1/18; B05D2401/00; B05D2401/30; B05D2401/32; B05D3/00; B05D3/02; B05D3/0218; B05D7/00; B05D7/20; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
13 words
An insulated wire as set forth in claim 1, said wire being copper.
Claim 2
Dependent Claim
26 words
An insulated wire as set forth in claim 1 wherein said oxybenzoyl polyester has a molecular weight of from 3500 to 25000 and has the formula
Claim 3
Dependent Claim
13 words
An insulated wire as set forth in claim 3 wherein R1 is hydrogen.
Claim 4
Dependent Claim
36 words
An insulated wire as set forth in claim 1 wherein said oxybenzoyl polyester has a molecular weight of from 3500 to 25, 000 and consists essentially of recurring structural units of Formulas I, III and IV.
Claim 5
Dependent Claim
13 words
An insulated wire as set forth in claim 5 wherein m is 0.
Claim 6
Dependent Claim
13 words
An insulated wire as set forth in claim 5 wherein n is 0.
Claim 7
Dependent Claim
21 words
An insulated wire as set forth in claim 5 wherein said oxybenzoyl polyester consists essentially of recurring units of the formula
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) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |