US3190770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal conductor coated with polyester outer layer and polymide inner layer
Assignee: Shawinigan Resins Corp
•
Filing: 1961-04-24
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Granted: 1965-06-22
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Expires: 1981-04-24
Abstract
No abstract record available.
Inventors
- 👤 Lavin Edward
- 👤 Albert H Markhart
- 👤 Charles F Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:35
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/14; C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/80; C09; C09D; C09D167/00; C09D175/00; C09D175/04; C09D175/06; C09D179/00; C09D179/04; C09D179/08; H01B3/00; H01B3/18; H01B3/30; H01B3/308; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10S428/92; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2942; Y10T428/2947; Y10T428/298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A METAL CONDUCTOR COATED WITH AT LEAST ONE OUTER LAYER OF A POLYESTER COMPOSITION COMPRISING THE POLYMERIC REACTION PRODUCT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF TEREPHTHALIC ACID, ISOPHTHALIC ACID AND MIXTURES THEREOF, WITH AN A,W-DIHYDRIC ALCOHOL AND A POLYHYDRIC ALCOHOL CONTAINING AT LEAST THREE HYDROXYL GROUPS, AND WITH AT LEAST ONE INNER LAYER OF A POLYIMIDE COMPOSITION COMPRISING THE POLYMERIC CONDENSATION PRODUCT OF AN AROMATIC TETRACARBOXYLIC ACID WITH A DIAMINO COMPOUND SELECTED FROM THE GROUP CONSISTING OF AROMATIC DIAMINES CONTAINING FROM 6 TO 16 CARBON ATOMS AND SATURATED ALIPHATIC DIAMINES CONTAINING UP TO 6 CARBON ATOMS.
Claim 2
Dependent Claim
99 words
A METAL CONDUCTOR COATED WITH AT LEAST ONE OUTER LAYER OF A POLYESTER COMPOSITION COMPRISING THE POLYMERIC REACTION PRODUCT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF TEREPHTHALIC ACID, ISOPHTHALIC ACID AND MIXTURES THEREOF, WITH AN A,W-DIHYDRIC ALCOHOL AND A POLYHYDRIC ALCOHOL CONTAINING AT LEAST THREE HYDROXYL GROUPS, AND WITH AT LEAST ONE INNER LAYER OF A POLYIMIDE COMPOSITION COMPRISING THE POLYMERIC CONDENSATION PRODUCT OF AN AROMATIC TETRACARBOXYLIC ACID WITH A DIAMINO COMPOUND SELECTED FROM THE GROUP CONSISTING OF AROMATIC DIAMINES CONTAINING FROM 6 TO 16 CARBON ATOMS AND SATURATED ALIPHATIC DIAMINES CONTAINING UP TO 6 CARBON ATOMS.
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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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |