Patent US3669738A successfully refreshed from Google Patents.
US3669738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester coated wire
Assignee: Unifrax I LLC
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Filing: 1969-05-28
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Granted: 1972-06-13
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Expires: 1989-05-28
Abstract
Abstract A WIRE INSULATED WITH AN IMPERVOUS OXYBENZOYL POLYESTER COATING WHICH CAN BE PRODUCED BY DRAWING THE WIRE HAVING A POROUS COATING THROUGH A DIE.
Inventors
- 👤 Steve G Cottis
- 👤 Bernard E Nowak
- 👤 James Economy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:03
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: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |