US3018610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing filamentary structures
Assignee: Individual
•
Filing: 1959-04-28
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Granted: 1962-01-30
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Expires: 1979-04-28
Abstract
No abstract record available.
Inventors
- 👤 Kleinekathofer Felix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:12
CPC Classifications
D; D07; D07B; D07B5/00; D07B5/12; D07B1/00; D07B1/02; D07B5/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A METHOD FOR MANUFACTURING FILAMENTARY STRUCTURES COMPRISING THE STEPS OF DRAWING A FILAMENTARY MATERIAL COMPRISING AT LEAST TWO UNSTRETCHED, UNSET FILAMENTS CONSISTING OF STRETCHABLE AND THEREBY CRYSTALLIZABLE OLASTIC SUBSTANCE THROUGH A DIE WHEREIN A PROFILE SMALLER THAN THE TOTAL CROSS SECTIONAL AREA OF THE FILAMENTARY MATERIAL IS ENFORCED ON THE LATTER, TWISTING AND SIMULTANEOUSLY STRETCHING THE FILAMENTARY MATERIAL IN A ZONE SUBSRQUENT TO SAID DIE SO AS TO DEFORM THE FILAMENTS IN SAID FILAMENTARY MATERIAL TO SUBSTANTIALLY FILL THE PROFILE ENFORCED UPON SAID MATERIAL, AND TO GENERATE SUFFICIENT HEAT IN SAID FILAMENTARY MATERIAL TO SET THE LATTER.
Claim 2
Independent Claim
97 words
A METHOD FOR MANUFACTURING FILAMENTARY STRUCTURES COMPRISING THE STEPS OF DRAWING A FILAMENTARY MATERIAL COMPRISING AT LEAST TWO UNSTRETCHED, UNSET FILAMENTS CONSISTING OF STRETCHABLE AND THEREBY CRYSTALLIZABLE OLASTIC SUBSTANCE THROUGH A DIE WHEREIN A PROFILE SMALLER THAN THE TOTAL CROSS SECTIONAL AREA OF THE FILAMENTARY MATERIAL IS ENFORCED ON THE LATTER, TWISTING AND SIMULTANEOUSLY STRETCHING THE FILAMENTARY MATERIAL IN A ZONE SUBSRQUENT TO SAID DIE SO AS TO DEFORM THE FILAMENTS IN SAID FILAMENTARY MATERIAL TO SUBSTANTIALLY FILL THE PROFILE ENFORCED UPON SAID MATERIAL, AND TO GENERATE SUFFICIENT HEAT IN SAID FILAMENTARY MATERIAL TO SET THE LATTER.
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) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |