US3748168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fishing line with a cyclic sulfonium zwitterion fluorocarbon coating
Assignee: Dow Chemical Co
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Filing: 1971-09-22
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Granted: 1973-07-24
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Expires: 1991-09-22
Abstract
Abstract FISHING LINE WITH A SURFACE COATING OF A POLYMER OF A WATER-SOLUBLE CYCLIC SULFONIUM PHENOXIDE ZWITTERION (I) CONTAINING ESSENTIALLY UNIFORMLY DISPERSED COLLOIDAL PARTICLES OF A FLUOROCARBON RESIN HAS SUPERIOR HANDLING CHARACTERISTICS AND FEEL COUPLED WITH IMPROVED RESISTANCE TO WATER. SOLVENTS, WEAR AND ALGAE PICKUP.
Inventors
- 👤 D Schmidt
- 👤 H Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:50
CPC Classifications
A; A01; A01K; A01K91/00; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2927; Y10T428/31504; Y10T428/31725; Y10T428/31739; Y10T428/31743
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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |