US3137611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-woven fabrics and method of manufacture
Assignee: Individual
•
Filing: 1961-03-10
•
Granted: 1964-06-16
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Day Krolik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:24
CPC Classifications
B; B29; B29D; B29D28/00; B29C; B29C44/00; B29C44/34; B29C44/56; Y; Y10; Y10S; Y10S264/00; Y10S264/08; Y10S264/47; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24298; Y10T428/24314; Y10T428/24744
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
AS AN ARTICLE OF MANUFACTURE, A STRIP OF PLASTIC MATERIAL ORIGINALLY A FOAM SUBSTANTIALLY OF SINGLE BUBBLE THICKNESS, MOST OF THE OPPOSING END WALLS OF THE BUBBLES THEREOF BEING ABSENT, AND WITH THE INTERRELATED SIDE WALLS OF SAID BUBBLES PROVIDING A NON-WOVEN FABRIC, WITH THE HEIGHT OF THE BUBBLES CORRESPONDING IN GENERAL TO THE THICKNESS OF THE STRIP, THE CROSS SECTION OF INDIVIDUAL BUBBLE OPEININGS BEING SUBSTANTIALLY SYMMETRIC BETWEEN OPPOSITE SIDES OF THE STRIP.
Claim 2
Dependent Claim
74 words
AS AN ARTICLE OF MANUFACTURE, A STRIP OF PLASTIC MATERIAL ORIGINALLY A FOAM SUBSTANTIALLY OF SINGLE BUBBLE THICKNESS, MOST OF THE OPPOSING END WALLS OF THE BUBBLES THEREOF BEING ABSENT, AND WITH THE INTERRELATED SIDE WALLS OF SAID BUBBLES PROVIDING A NON-WOVEN FABRIC, WITH THE HEIGHT OF THE BUBBLES CORRESPONDING IN GENERAL TO THE THICKNESS OF THE STRIP, THE CROSS SECTION OF INDIVIDUAL BUBBLE OPEININGS BEING SUBSTANTIALLY SYMMETRIC BETWEEN OPPOSITE SIDES OF THE STRIP.
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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |