Patent US5226880A successfully refreshed from Google Patents.
Patent US2999296A successfully refreshed from Google Patents.
US2999296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel filaments and fabrics
Assignee: EIDP Inc
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Filing: 1957-03-25
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Granted: 1961-09-12
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Expires: 1977-03-25
Abstract
No abstract record available.
Inventors
- 👤 Alvin L Breen
- 👤 Pamm Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:28
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/24; D01F; D01F6/00; D01F6/58; D01F6/62; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T428/2909; Y10T442/00; Y10T442/30; Y10T442/3065; Y10T442/3089; Y10T442/3098; Y10T442/3106; Y10T442/3114
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
28 words
A PILL-RESISTANT FABRIC CONTAINING POLYESTER TEXTILE STAPLE FIBERS, SAID FIBERS HAVING A CONTINUOUS VOID THROUGHOUT THEIR LENGTH AND SAID POLYESTER HAVING THE ESTER LINKAGES IN THE POLYMER CHAIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |