US2939201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trilobal textile filament
Assignee: EIDP Inc
•
Filing: 1959-06-24
•
Granted: 1960-06-07
•
Expires: 1979-06-24
Abstract
No abstract record available.
Inventors
- 👤 Marlin C Holland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:00
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/253; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T442/00; Y10T442/30; Y10T442/3065; Y10T442/3089; Y10T442/3114; Y10T442/3122; Y10T442/40; Y10T442/425; Y10T442/431; Y10T442/60; Y10T442/608; Y10T442/609; Y10T442/61
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A TEXTILE FILAMENT PREPARED FROM A SYNTHETIC POLYMER HAVING AN ESSENTIALLY TRILOBAL CROSS-SECTION ALONG ITS LENGTH, SAID CROSS-SECTION A TIP RADIUS RATIO
Claim 2
Dependent Claim
22 words
A TEXTILE FILAMENT PREPARED FROM A SYNTHETIC POLYMER HAVING AN ESSENTIALLY TRILOBAL CROSS-SECTION ALONG ITS LENGTH, SAID CROSS-SECTION A TIP RADIUS RATIO
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US2387791A
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US2373892A
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US2746839A
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US2750653A
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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) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |