Patent US3121040A successfully refreshed from Google Patents.
US3121040A
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Unoriented polyolefin filaments
Assignee: Polymers Inc
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Filing: 1962-10-19
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Granted: 1964-02-11
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Expires: 1982-10-19
Abstract
No abstract record available.
Inventors
- 👤 Shaw Gilbert
- 👤 Jr John C Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:23
CPC Classifications
A; A46; A46D; A46D1/00; A46D1/02; A46D1/0238; D; D01; D01D; D01D5/00; D01D5/253; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
UNORIENTED POLYOLEFIN FILAMENTS MADE FROM A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF POLYPROPYLENE, HIGH PRESSURE POLYETHYLENE AND MIXTURES THEREOF, SAID UNORIENTED FILAMENTS BEING SELECTED FROM THE GROUP CONSISTING OF UNORIENTED FILAMENTS WHOSE CROSS-SECTION CONSISTS OF INTERCONNECTED WEBS WHOSE WEB LENGTH TO WEB THICKNESS RATIOS ARE AT LEAST ABOUT 4 TO 1 AND UNORIENTED ANNULAR POLYOLEFIN FILAMENTS WHOSE RADIUS TO ANNULAR WALL THICKNESS RATIO IS AT LEAST ABOUT 4 TO 1.
Claim 2
Dependent Claim
71 words
UNORIENTED POLYOLEFIN FILAMENTS MADE FROM A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF POLYPROPYLENE, HIGH PRESSURE POLYETHYLENE AND MIXTURES THEREOF, SAID UNORIENTED FILAMENTS BEING SELECTED FROM THE GROUP CONSISTING OF UNORIENTED FILAMENTS WHOSE CROSS-SECTION CONSISTS OF INTERCONNECTED WEBS WHOSE WEB LENGTH TO WEB THICKNESS RATIOS ARE AT LEAST ABOUT 4 TO 1 AND UNORIENTED ANNULAR POLYOLEFIN FILAMENTS WHOSE RADIUS TO ANNULAR WALL THICKNESS RATIO IS AT LEAST ABOUT 4 TO 1.
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) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |