US3256126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrugated pasteboard
Assignee: Individual
•
Filing: 1963-08-30
•
Granted: 1966-06-14
•
Expires: 1983-08-30
Abstract
No abstract record available.
Inventors
- 👤 Bachofen Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:28
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)
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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) | 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 |