US3305897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crimping process
Assignee: EIDP Inc
•
Filing: 1964-10-28
•
Granted: 1967-02-28
•
Expires: 1984-10-28
Abstract
No abstract record available.
Inventors
- 👤 Edgar P H Meibohm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:55
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
THE PROCESS OF PREPARING CRIMPED STRUCTURES WHILE SIMULTANEOUSLY PROVIDING THE CAPABILITY OF SPONTANEOUSLY AND IRREVERSIBLY EXTENDING IN LENGTH WHICH COMPRISES PASSING A SYNTHETIC LINEAR CONDENSATION POLYESTER TOW HAVING A BIREFRINGENCE OF AT LEAST 0.15 AND A CRYSTALLINITY OF LESS THAN ABOUT 35% THROUGH A STUFFING BOX CRIMPER WHILE AT THE SAME TIME HEAT SHRINKING SAID SYNTHETIC LINEAR CONDENSATION POLYESTER TOW IN SAID STUFFING BOX CRIMPER WITH
Claim 2
Dependent Claim
66 words
THE PROCESS OF PREPARING CRIMPED STRUCTURES WHILE SIMULTANEOUSLY PROVIDING THE CAPABILITY OF SPONTANEOUSLY AND IRREVERSIBLY EXTENDING IN LENGTH WHICH COMPRISES PASSING A SYNTHETIC LINEAR CONDENSATION POLYESTER TOW HAVING A BIREFRINGENCE OF AT LEAST 0.15 AND A CRYSTALLINITY OF LESS THAN ABOUT 35% THROUGH A STUFFING BOX CRIMPER WHILE AT THE SAME TIME HEAT SHRINKING SAID SYNTHETIC LINEAR CONDENSATION POLYESTER TOW IN SAID STUFFING BOX CRIMPER WITH
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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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |