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US3256126A Expired / Lapsed US ⏱️ 0.0 years remaining

Corrugated pasteboard

Assignee: Individual
•
Filing: 1963-08-30
•
Granted: 1966-06-14
•
Expires: 1983-08-30
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Abstract

No abstract record available.

Inventors

  • 👤 Bachofen Hans

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 20:03
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2804; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1025; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24694

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 106 words
A METHOD OF FABRICATING A CORRUGATED PASTEBOARD HAVING A MOISTURE BARRIER FABRICATED THEREIN, COMPRISING THE STEPS OF ADVANCING A WEB OF CORRUGATED MATERIAL AND A WEB OF PLANAR COVER MATERIAL, APPLYING A COATING OF INSULATING MATERIAL IN AN ADHESIVE DISPERSION ENTIRELY UPON A SURFACE OF THE COVER WEB, SAID INSULATING MATERIAL FORMING A FILM SUBSTANTIALLY IMPERVIOUS TO MOISTURE WHEN IT SOLIDIFIES, DIRECTING AIR AGAINST THE COATING AS SAID COVER WEB CURVES OVER A ROLLER WHILE MOVING V ERTICALLY TO UNIFORMLY SPREAD THE COATING UPON THE SURFACE OF THE COVER WEB AND PREVENT PUDDING OF SAID COATING THEREON, COMBINING THE COVER AND CORRUGATED WEBS BY CONTACTING CRESTS
Claim 2
Independent Claim 106 words
A METHOD OF FABRICATING A CORRUGATED PASTEBOARD HAVING A MOISTURE BARRIER FABRICATED THEREIN, COMPRISING THE STEPS OF ADVANCING A WEB OF CORRUGATED MATERIAL AND A WEB OF PLANAR COVER MATERIAL, APPLYING A COATING OF INSULATING MATERIAL IN AN ADHESIVE DISPERSION ENTIRELY UPON A SURFACE OF THE COVER WEB, SAID INSULATING MATERIAL FORMING A FILM SUBSTANTIALLY IMPERVIOUS TO MOISTURE WHEN IT SOLIDIFIES, DIRECTING AIR AGAINST THE COATING AS SAID COVER WEB CURVES OVER A ROLLER WHILE MOVING V ERTICALLY TO UNIFORMLY SPREAD THE COATING UPON THE SURFACE OF THE COVER WEB AND PREVENT PUDDING OF SAID COATING THEREON, COMBINING THE COVER AND CORRUGATED WEBS BY CONTACTING CRESTS

References Cited (Backward Citations)

US1561471A Cited
US1199508A Cited
US1919697A Cited
US2974716A Cited
US3077222A Cited
US3004880A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-06-13 1969-12-13 1970-06-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-06-13 1973-12-13 1974-06-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-06-13 1977-12-13 1978-06-14 $7700.00 Window Closed / Lapsed

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