US3386876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-woven net manufacture
Assignee: Avisun Corp
•
Filing: 1961-06-02
•
Granted: 1968-06-04
•
Expires: 1981-06-02
Abstract
No abstract record available.
Inventors
- 👤 Harold W Wyckoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:17
CPC Classifications
D; D04; D04H; D04H13/00; B; B29; B29C; B29C55/00; B29C55/02; B29C55/04; B29C55/10; B29C55/12; B29D; B29D28/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A WEB OF THERMOPLASTIC POLYMERIC MATERIAL HAVING A PLURALITY OF RIBS, CERTAIN OF SAID RIBS EXTENDING ALONG DIRECTIONS GENERALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID WEB AND AT LEAST SOME OF THE REMAINDER OF SAID RIBS, EXTENDING GENERALLY PARALLEL TO THE TRANSVERSE AXIS OF SAID WEB, AT LEAST CERTAIN OF THE RIBS WHICH ARE PARALLEL TO SAID RESPECTIVE AXES BEING UNIAXIALLY DRAWN AND TERMINATING AT UNDRAWN WEB PORTIONS.
Claim 2
Dependent Claim
20 words
A WEB AS DEFINED IN CLAIM 3 WHEREIN ADJACENT PARALLEL RIBS ARE SEPARATED BY AN OPENING EXTENDING THROUGH SAID WEB.
References Cited (Backward Citations)
US2079584A
Cited
US2582777A
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US2919467A
Cited
US2866231A
Cited
US2968065A
Cited
US3051987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |