Patent GB732959A successfully refreshed from Google Patents.
Patent SU461349A1 successfully refreshed from Google Patents.
US3322617A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper making apparatus to form paper with a simulated woven texture
Assignee: Dexter Corp
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Filing: 1964-05-22
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Granted: 1967-05-30
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Expires: 1984-05-22
Abstract
No abstract record available.
Inventors
- 👤 Fay H Osborne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:57
CPC Classifications
D; D21; D21F; D21F11/00; D21F11/006; B; B01; B01D; B01D39/00; B01D39/08; B01D39/086; B01D39/14; B01D39/16; B01D39/1607; D21F1/00; B01D2239/00; B01D2239/06; B01D2239/065; B01D2239/0677; B01D2239/12; B01D2239/1233; Y; Y10; Y10S; Y10S162/00; Y10S162/07
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
IN A PAPERMAKING MACHINE FOR FORMING A NONWOVEN FABRIC BY THE DEPOSITION OF AN AQUEOUS DISPERSION OF FIBERS ON A SCREEN ASSEMBLY, THE COMBINATION WHEREIN THE FIBERRECEIVING SCREEN ASSEMBLY COMPRISES A FIRST BASE SCREEN MEMBER ADAPTED TO PERMIT THE PASSAGE THERETHROUGH OF A DISPERSING MEDIUM AND TO ACCUMULATE THEREON SUBSTANTIALLY ALL OF THE DISPERSED FIBERS COMING IN CONTACT THEREWITH, AND A SECOND SUBSTANTIALLY COARSER MOLDING SCREEN
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |