US3084393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for stretching filaments
Assignee: Bayer AG
•
Filing: 1959-01-12
•
Granted: 1963-04-09
•
Expires: 1979-01-12
Abstract
No abstract record available.
Inventors
- 👤 Rodenacker Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:19
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/227; Y; Y10; Y10S; Y10S425/00; Y10S425/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN THE PROCESS OF CONTINUOUSLY STRETCHING FILAMENTS COMPOSED OF SYNTHETIC LINEAR POLYMERS, SAID FILAMENTS HAVING UNIFORM ORIENTATION AND DENIER BOTH DURING AND AFTER THE STRETCHING OPERATION, THE STEP WHICH COMPRISES SUBJECTING SAID FILAMENT TO A LARGE NUMBER OF VIBRATIONAL STRESSES DURING THE STRETCHING OPERATION, WHILE COORDINATING THE LENGTH OF THE DRAFTING ZONE, THE SPEED OF THE FILAMENT THERETHROUGH AND THE VIBRATION FREQUENCY, SO THAT ANY GIVEN POINT ON THE FILAMENT MUST REMAIN WITHIN THE DRAFTING ZONE FOR A TIME AT LEAST AS GREAT AS THE PERIOD OF VIBRATION.
Claim 2
Dependent Claim
88 words
IN THE PROCESS OF CONTINUOUSLY STRETCHING FILAMENTS COMPOSED OF SYNTHETIC LINEAR POLYMERS, SAID FILAMENTS HAVING UNIFORM ORIENTATION AND DENIER BOTH DURING AND AFTER THE STRETCHING OPERATION, THE STEP WHICH COMPRISES SUBJECTING SAID FILAMENT TO A LARGE NUMBER OF VIBRATIONAL STRESSES DURING THE STRETCHING OPERATION, WHILE COORDINATING THE LENGTH OF THE DRAFTING ZONE, THE SPEED OF THE FILAMENT THERETHROUGH AND THE VIBRATION FREQUENCY, SO THAT ANY GIVEN POINT ON THE FILAMENT MUST REMAIN WITHIN THE DRAFTING ZONE FOR A TIME AT LEAST AS GREAT AS THE PERIOD OF VIBRATION.
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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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |