Patent US2862284A successfully refreshed from Google Patents.
US2862284A
Expired / Lapsed
US
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Modified filament and method
Assignee: Individual
•
Filing: 1953-05-04
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Granted: 1958-12-02
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Expires: 1973-05-04
Abstract
No abstract record available.
Inventors
- 👤 Sol B Wiczer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:11
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/248; A; A46; A46D; A46D1/00; A46D1/02; A46D1/023; C; C03; C03C; C03C25/00; C03C25/10; C03C25/465; C03C25/47; D01; D01D; D01D11/00; D01D11/06; D01D5/00; D01D5/20; D01D5/24; D01D5/247; D02; D02G; D02G3/00; D02G3/22; D02G3/40; D02G3/404; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2935; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
THE METHOD OF MODIFYING THE SURFACE TEXTURE OF A SYNTHETIC ORGANIC THERMOPLASTIC EXTRUDED FILAMENT COM-PRISING INCORPORATING A SOLID GAS EVOLVING AGENT IN SUBSTANTIALLY ONLY THE SURFACE PORTIONS OF SAID FILAMENT AND TREATING SAID FILAMENT TO ACTIVATE SAID GAS EVOLVING AGENT TO DEVELOP PORES SUBSTANTIALLY ONLY IN THE SURFACE OF SAID FILAMENT.
Claim 2
Independent Claim
51 words
THE METHOD OF MODIFYING THE SURFACE TEXTURE OF A SYNTHETIC ORGANIC THERMOPLASTIC EXTRUDED FILAMENT COM-PRISING INCORPORATING A SOLID GAS EVOLVING AGENT IN SUBSTANTIALLY ONLY THE SURFACE PORTIONS OF SAID FILAMENT AND TREATING SAID FILAMENT TO ACTIVATE SAID GAS EVOLVING AGENT TO DEVELOP PORES SUBSTANTIALLY ONLY IN THE SURFACE OF SAID FILAMENT.
References Cited (Backward Citations)
US1427330A
Cited
US1829904A
Cited
US1673685A
Cited
US2034008A
Cited
US2200946A
Cited
US2268160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |