Patent US1975818A successfully refreshed from Google Patents.
Patent US3081519A successfully refreshed from Google Patents.
US3081519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrillated strand
Assignee: —
•
Filing: 1962-01-31
•
Granted: 1963-03-19
•
Expires: 1982-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:57
CPC Classifications
D; D01; D01D; D01D4/00; D01D4/02; D01D4/022; D01D5/00; D01D5/11; Y; Y10; Y10S; Y10S264/00; Y10S264/08; Y10S264/47; Y10S57/00; Y10S57/907; Y10T; Y10T428/00; Y10T428/26; Y10T428/268
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A YARN-LIKE HAVING A SURFACE AREA GREATER THAN 2 M.2/G., COMPRISING A THREE-DIMENSIONAL INTEGRAL PLEXUS OF SYNTHETIC ORGANIC, CRYSTALLINE POLYMERIC, FIBROUS ELEMENTS, SAID ELEMENTS BEING COEXTENSIVELY ALIGNED WITH THE STRAND AXIS AND HAVING THE STRUCTURAL CONFIGURATION OF
Claim 2
Dependent Claim
37 words
A YARN-LIKE HAVING A SURFACE AREA GREATER THAN 2 M.2/G., COMPRISING A THREE-DIMENSIONAL INTEGRAL PLEXUS OF SYNTHETIC ORGANIC, CRYSTALLINE POLYMERIC, FIBROUS ELEMENTS, SAID ELEMENTS BEING COEXTENSIVELY ALIGNED WITH THE STRAND AXIS AND HAVING THE STRUCTURAL CONFIGURATION OF
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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |