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US3348477A Expired / Lapsed US ⏱️ 0.0 years remaining

Paper converting, and particularly producing improved paper towels

Assignee: Georgia-Pacific LLC
•
Filing: 1965-10-23
•
Granted: 1967-10-24
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Expires: 1985-10-23
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Ruel E Taylor
  • 👤 Fernald J Fitzpatrick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 19:42
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/07; B31F2201/00; B31F2201/07; B31F2201/0707; B31F2201/0715; B31F2201/0723; B31F2201/0733; B31F2201/0738; B31F2201/0753; B31F2201/0784; B31F2201/0797; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4838; Y10T83/4841; Y10T83/929; Y10T83/9372

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 182 words
IN PAPER CONVERTING APPARATUS, THE COMBINATION OF, AN ANVIL ROLL COMPRISING A RIGID MANDREL AND A PERIPHERAL STRUCTURE THEREON PRESENTING AN ARRANGEMENT OF RADIAL WALLS DEFINING POCKETS WITH EACH POCKET BEING SURROUNDED BY A CONTINUOUS WALL STRUCTURE AND WITH THE WALL STRUCTURES PROVIDING SUPPORTING FOR A WEB OF PAPER PASSING THEREAROUND ALONG A PATH WHICH IS A SEGMENT OF A CYLINDER A PLURALITY OF PRESSURE ROLLS LONGITUDINALLY SPACED ALONG SAID ANVIL ROLL AND EACH EXTENDING ONLY A PORTION OF THE LENGTH THEREOF, EACH PRESSURE ROLL HAVING A RELATIVELY SOFT FLEXIBLE COVER AND HAVING ITS AXIS PARALLEL TO THE AXIS OF SAID ANVIL ROLL AND ADAPTED TO BE POSITIONED IN CONTACT WITH A WEB OF PAPER PASSING AROUND SAID ANVIL ROLL, AND MEANS TO PRESS SAID PRESSUE ROLL TOWARD SAID ANVIL ROLL WITH SUFFICIENT PRESSURE TO CAUSE THE PRESSURE ROLL TO BULGE INTO SAID POCKETS, SAID MEANS COMPRISING A PLURALITY OF SEPARATELY OPERABLE PRESSURE MECHANISMS CORRESPONDING IN NUMBER WITH THE NUMBER OF SAID PRESSURE ROLLS AND RESPECTIVELY ASSOCIATED THEREWITH WHEREBY THE PRESSURE EXERTED ON EACH OF SAID PRESSURE ROLLS MAY BE INDIVIDUALLY CONTROLLED.
Claim 2
Dependent Claim 182 words
IN PAPER CONVERTING APPARATUS, THE COMBINATION OF, AN ANVIL ROLL COMPRISING A RIGID MANDREL AND A PERIPHERAL STRUCTURE THEREON PRESENTING AN ARRANGEMENT OF RADIAL WALLS DEFINING POCKETS WITH EACH POCKET BEING SURROUNDED BY A CONTINUOUS WALL STRUCTURE AND WITH THE WALL STRUCTURES PROVIDING SUPPORTING FOR A WEB OF PAPER PASSING THEREAROUND ALONG A PATH WHICH IS A SEGMENT OF A CYLINDER A PLURALITY OF PRESSURE ROLLS LONGITUDINALLY SPACED ALONG SAID ANVIL ROLL AND EACH EXTENDING ONLY A PORTION OF THE LENGTH THEREOF, EACH PRESSURE ROLL HAVING A RELATIVELY SOFT FLEXIBLE COVER AND HAVING ITS AXIS PARALLEL TO THE AXIS OF SAID ANVIL ROLL AND ADAPTED TO BE POSITIONED IN CONTACT WITH A WEB OF PAPER PASSING AROUND SAID ANVIL ROLL, AND MEANS TO PRESS SAID PRESSUE ROLL TOWARD SAID ANVIL ROLL WITH SUFFICIENT PRESSURE TO CAUSE THE PRESSURE ROLL TO BULGE INTO SAID POCKETS, SAID MEANS COMPRISING A PLURALITY OF SEPARATELY OPERABLE PRESSURE MECHANISMS CORRESPONDING IN NUMBER WITH THE NUMBER OF SAID PRESSURE ROLLS AND RESPECTIVELY ASSOCIATED THEREWITH WHEREBY THE PRESSURE EXERTED ON EACH OF SAID PRESSURE ROLLS MAY BE INDIVIDUALLY CONTROLLED.

References Cited (Backward Citations)

US363205A Cited
US1802003A Cited
US1921455A Cited
US1941255A Cited
US2043351A Cited
US2472883A Cited
US2639660A Cited
US3074324A Cited
US3100928A Cited
US3230878A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-10-23 1971-04-24 1971-10-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-10-23 1975-04-24 1975-10-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-10-23 1979-04-24 1979-10-24 $7700.00 Window Closed / Lapsed

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