Patent US2932079A successfully refreshed from Google Patents.
US2932079A
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Complex artificial filaments
Assignee: Schiesser AG Germany
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Filing: 1956-03-08
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Granted: 1960-04-12
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Expires: 1976-03-08
Abstract
No abstract record available.
Inventors
- 👤 Dietzsch Hans-Joachim
- 👤 Dietzsch Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:57
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/28; D01D5/30; Y; Y10; Y10S; Y10S264/00; Y10S264/26; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2929; Y10T428/2931; Y10T428/2933; Y10T428/2964; Y10T428/2965; Y10T428/2967; Y10T428/2973
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
COMPLEX ARTIFICIAL FILAMENT OF UNIFORM AND CONSTANT CROSS SECTION OVER ITS ENTIRE LENGTH COMPRISING AT LEAST TWO CORES EXTENDING IN SPACED RELATION WITH ONE ANOTHER AND CONSISTING OF DIFFERENT SPINNING MATERIALS, THE SHEATH BODY OF A FURTHER DIFFERENT SPINNING MATERIAL, THE SAID CORES BEING EMBEDDED IN THE SHEATH.
Claim 2
Dependent Claim
48 words
COMPLEX ARTIFICIAL FILAMENT OF UNIFORM AND CONSTANT CROSS SECTION OVER ITS ENTIRE LENGTH COMPRISING AT LEAST TWO CORES EXTENDING IN SPACED RELATION WITH ONE ANOTHER AND CONSISTING OF DIFFERENT SPINNING MATERIALS, THE SHEATH BODY OF A FURTHER DIFFERENT SPINNING MATERIAL, THE SAID CORES BEING EMBEDDED IN THE SHEATH.
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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) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |