US3355872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for crimping yarns
Assignee: Klinger Manufacturing Co Ltd
•
Filing: 1964-12-15
•
Granted: 1967-12-05
•
Expires: 1984-12-15
Abstract
No abstract record available.
Inventors
- 👤 Gilchrist Reginald Selby
- 👤 Mattingly Denis Albert Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:21
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A METHOD OF CRIMPING AT LEAST TWO LENGTHS OF YARN COMPRISING THE STEPS OF: (A) COMBINING THE LENGTHS OF YARN TO FORM A NUMBER OF TWISTS IN EACH LENGTH; (B) SETTING THE COMBINED YARNS TO IMPART A CRIMP TO EACH LENGTH; (C) SEPARATING THE LENGTHS OF YARN AFTER SAID SETTING STEP; (D) COMBINING THE LENGTHS OF YARN A SECOND TIME TO AGAIN FORM A NUMBER OF TWISTS IN EACH LENGTH; (E) SETTING THE YARNS WHEN THEY ARE COMBINED THE SECOND TIME; AND (F) SEPARATING THE YARNS AFTER SAID SECOND SETTING STEP.
Claim 2
Independent Claim
91 words
A METHOD OF CRIMPING AT LEAST TWO LENGTHS OF YARN COMPRISING THE STEPS OF: (A) COMBINING THE LENGTHS OF YARN TO FORM A NUMBER OF TWISTS IN EACH LENGTH; (B) SETTING THE COMBINED YARNS TO IMPART A CRIMP TO EACH LENGTH; (C) SEPARATING THE LENGTHS OF YARN AFTER SAID SETTING STEP; (D) COMBINING THE LENGTHS OF YARN A SECOND TIME TO AGAIN FORM A NUMBER OF TWISTS IN EACH LENGTH; (E) SETTING THE YARNS WHEN THEY ARE COMBINED THE SECOND TIME; AND (F) SEPARATING THE YARNS AFTER SAID SECOND SETTING STEP.
References Cited (Backward Citations)
US2952116A
Cited
US2963848A
Cited
US2987869A
Cited
US3162995A
Cited
US3091908A
Cited
US3261155A
Cited
US3177931A
Cited
US3192697A
Cited
US3261157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |