US2715591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet material
Assignee: EIDP Inc
•
Filing: 1952-12-16
•
Granted: 1955-08-16
•
Expires: 1972-12-16
Abstract
No abstract record available.
Inventors
- 👤 Graham Boynton
- 👤 Piccard John Augustus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:25
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/60; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24438; Y10T428/249921; Y10T428/249924; Y10T428/24994; Y10T428/31504; Y10T428/31725; Y10T428/31736; Y10T428/31786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
SHEET MATERIAL COMPRISING, BY WEIGHT, 20% TO 85% OF MATTED, UNDRAWN BUT COLD-DRAWABLE FIBERS OF A SYNTHETIC LINEAR CONDENSATION POLYMER FROM THE GROUP CONSISTING OF POLYAMIDES, POLYESTERS, AND POLYESTER-AMIDES IN THE MOLECULAR STRUCTURE OF WHICH, THERE ARE SOLELY HYDROCARBON GROUPS BETWEEN THE FUNCTIONAL GROUPS AND, DISTRIBUTED THERETHORUGH, 80% TO 15% OF AN EXTENSIBLE POLYMERIC BINDER IN WHICH THE POLYMERIC COMPONENT IS A VINYLIDENE POLYMER, SAID POLYMERIC BINDER BEING INCOMPATIBLE WITH SAID LINEAR CONDENSATION POLYMER AND MELTING AT LEAST 10* C. BELOW THE SOFTENING TEMPERATURE THEREOF.
Claim 2
Dependent Claim
85 words
SHEET MATERIAL COMPRISING, BY WEIGHT, 20% TO 85% OF MATTED, UNDRAWN BUT COLD-DRAWABLE FIBERS OF A SYNTHETIC LINEAR CONDENSATION POLYMER FROM THE GROUP CONSISTING OF POLYAMIDES, POLYESTERS, AND POLYESTER-AMIDES IN THE MOLECULAR STRUCTURE OF WHICH, THERE ARE SOLELY HYDROCARBON GROUPS BETWEEN THE FUNCTIONAL GROUPS AND, DISTRIBUTED THERETHORUGH, 80% TO 15% OF AN EXTENSIBLE POLYMERIC BINDER IN WHICH THE POLYMERIC COMPONENT IS A VINYLIDENE POLYMER, SAID POLYMERIC BINDER BEING INCOMPATIBLE WITH SAID LINEAR CONDENSATION POLYMER AND MELTING AT LEAST 10* C. BELOW THE SOFTENING TEMPERATURE THEREOF.
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) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |