Patent US3093881A successfully refreshed from Google Patents.
US3093881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oriented nylon filaments
Assignee: EIDP Inc
•
Filing: 1963-02-26
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Granted: 1963-06-18
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Expires: 1983-02-26
Abstract
No abstract record available.
Inventors
- 👤 Zimmerman Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:27
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/228; D01; D01F; D01F6/00; D01F6/58; D01F6/60; Y; Y10; Y10S; Y10S264/00; Y10S264/61
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A POLYAMIDE STRAND HAVING A TENACITY OF AT LEAST 5.5 GRAMS PER DENIER AND A BIREFRINGENCE AVERAGE STAND-
Claim 2
Dependent Claim
18 words
A POLYAMIDE STRAND HAVING A TENACITY OF AT LEAST 5.5 GRAMS PER DENIER AND A BIREFRINGENCE AVERAGE STAND-
References Cited (Backward Citations)
US2533013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |