Patent US2674025A successfully refreshed from Google Patents.
US2674025A
Expired / Lapsed
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Polymeric filaments
Assignee: Texiclon Corp
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Filing: 1949-08-15
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Granted: 1954-04-06
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Expires: 1969-08-15
Abstract
No abstract record available.
Inventors
- 👤 Ladisch Rolf Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:07
CPC Classifications
D; D01; D01F; D01F8/00; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2935; Y10T428/294; Y10T428/2973; Y10T428/2976
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
ARTIFICIAL FILAMENTS EACH CONSISTING OF A RESINOUS POLYMERIC MIXTURE FORMING A GENERALLY TUBULAR ENVELOPE WITH UNBROKEN WALLS AND NONUNIFORM THICKNESS, AND AT LEAST ONE CORE WITHIN SAID ENVELOPE FORMING A MAJOR FRACTION OF THE MASS OF THE FILAMENTS AND BEING OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALL METALS, METALLOIDS AND ALLOYS WHICH ARE MOLTEN AT THE TEMPERATURE OF FORMATION OF THE FILAMENTS AND WHICH FORM AT LEAST ONE SOLID CORE IN THE FILAMENTS, SAID CORE BEING OF IRREGULAR BUT SUBSTANTIALLY CIR-
Claim 2
Dependent Claim
84 words
ARTIFICIAL FILAMENTS EACH CONSISTING OF A RESINOUS POLYMERIC MIXTURE FORMING A GENERALLY TUBULAR ENVELOPE WITH UNBROKEN WALLS AND NONUNIFORM THICKNESS, AND AT LEAST ONE CORE WITHIN SAID ENVELOPE FORMING A MAJOR FRACTION OF THE MASS OF THE FILAMENTS AND BEING OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALL METALS, METALLOIDS AND ALLOYS WHICH ARE MOLTEN AT THE TEMPERATURE OF FORMATION OF THE FILAMENTS AND WHICH FORM AT LEAST ONE SOLID CORE IN THE FILAMENTS, SAID CORE BEING OF IRREGULAR BUT SUBSTANTIALLY CIR-
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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) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |