US2985503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making a plastic thread
Assignee: Individual
•
Filing: 1959-04-08
•
Granted: 1961-05-23
•
Expires: 1979-04-08
Abstract
No abstract record available.
Inventors
- 👤 Becker Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:42
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/42; D01D5/426; D01D5/12; D01D5/16; Y; Y10; Y10S; Y10S264/00; Y10S264/08; Y10S264/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR PRODUCING A PLASTIC FILAMENT COMPRISING IRREGULARLY FOLDING A FLAT PLASTIC STRIP BY DRAWING THE SAME THROUGH AND AGAINST THE BOTTOM AND SIDES OF A SLOT, WHILE SUBJECTING SAID STRIP TO HEAT AND THEN STRETCHING THE FOLDED STRIP BY HEATING AND PLACING THE SAME UNDER LOGITUDINAL TENSION, THEREBY PRODUCING A PLASTIC FILAMENT.
Claim 2
Dependent Claim
54 words
A PROCESS FOR PRODUCING A PLASTIC FILAMENT COMPRISING IRREGULARLY FOLDING A FLAT PLASTIC STRIP BY DRAWING THE SAME THROUGH AND AGAINST THE BOTTOM AND SIDES OF A SLOT, WHILE SUBJECTING SAID STRIP TO HEAT AND THEN STRETCHING THE FOLDED STRIP BY HEATING AND PLACING THE SAME UNDER LOGITUDINAL TENSION, THEREBY PRODUCING A PLASTIC FILAMENT.
References Cited (Backward Citations)
US1986979A
Cited
US1994057A
Cited
US2367173A
Cited
US2461975A
Cited
US2614288A
Cited
US2674025A
Cited
US2612679A
Cited
US2728950A
Cited
US2858186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |