US3194474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-sealing cartons
Assignee: Fort James Corp
•
Filing: 1961-08-23
•
Granted: 1965-07-13
•
Expires: 1981-08-23
Abstract
No abstract record available.
Inventors
- 👤 George G Rumberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:37
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65D65/40; B65D5/00; B65D5/02; B65D5/0227; B65D5/10; B65D2577/00; B65D2577/10; B65D2577/20; B65D2577/2025; B65D2577/2075; B65D2577/2091
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
226 words
A SCORED CARTON BLANK OF LAMINATED SHEET MATERIAL HAVING AN OVERALL THICKNESS OF AT LEAST .008 INCH SUITABLE FOR FABRICATION INTO A SEALED CARTON, THE BASE PLIES OF WHICH LAMINATED SHEET MATERIAL COMPRISE AT LEAST TOW SHEETS WHICH ARE INDIVIDUALLY AT LEAST .002 INCH THICK AND HAVE A POROSITY OF AT LEAST FIVE SECONDS, AND IN WHICH THE LAMINANT IS A THERMOPLASTIC ADHESIVE LAMINANT PRESENT IN AN AMOUNT OF AT LEAST ABOUT FIFTY-FIVE POUNDS OF LAMINANT PER REAM OF LAMINATED SHEET MATERIAL, SAID CARTON BLANK COMPRISING A PLURALITY OF CARTON MEMBERS, INCLUDING PANELS AND FLAPS ARTICULATED TO SAID PANELS ALONG SCORE LINES, AT LEAST SOME OF SAID CARTON MEMBERS BEING ADAPTED TO BE FOLDED UPON EACH OTHER TO PROVIDE A PLURAL LAYERED CLOSURE IN WHICH ONE CARTON MEMBER LIES IN JUXTAPOSITION TO ANOTHER CARTON MEMBER SO AS TO PLACE A SURFACE OF THE ONE CARTON MEMBER IN OPPOSED FACING RELATION TO THE SURFACE OF THE OTHER CARTON MEMBER AND THEREBY PROVIDE AN AREA IN WHICH A SEAL BETWEEN SAID MEMBERS CAN BE EFFECTED, AT LEAST ONE OF SAID CARTON MEMBERS BEING PROVIDED, IN A PLY THEREOF CONSTITUTING A SURFACE THEREOF WHICH WILL COME INTO OPPOSED FACING RELATIONSHIP WITH THE SURFACE OF THE OTHER CARTON MEMBER IN THE SAID SEALING AREA UPON FOLDING OF THE CARTON BLANK IN ERECTING A CARTON THEREFROM AND CLOSING OF THE SAME,
Claim 2
Dependent Claim
226 words
A SCORED CARTON BLANK OF LAMINATED SHEET MATERIAL HAVING AN OVERALL THICKNESS OF AT LEAST .008 INCH SUITABLE FOR FABRICATION INTO A SEALED CARTON, THE BASE PLIES OF WHICH LAMINATED SHEET MATERIAL COMPRISE AT LEAST TOW SHEETS WHICH ARE INDIVIDUALLY AT LEAST .002 INCH THICK AND HAVE A POROSITY OF AT LEAST FIVE SECONDS, AND IN WHICH THE LAMINANT IS A THERMOPLASTIC ADHESIVE LAMINANT PRESENT IN AN AMOUNT OF AT LEAST ABOUT FIFTY-FIVE POUNDS OF LAMINANT PER REAM OF LAMINATED SHEET MATERIAL, SAID CARTON BLANK COMPRISING A PLURALITY OF CARTON MEMBERS, INCLUDING PANELS AND FLAPS ARTICULATED TO SAID PANELS ALONG SCORE LINES, AT LEAST SOME OF SAID CARTON MEMBERS BEING ADAPTED TO BE FOLDED UPON EACH OTHER TO PROVIDE A PLURAL LAYERED CLOSURE IN WHICH ONE CARTON MEMBER LIES IN JUXTAPOSITION TO ANOTHER CARTON MEMBER SO AS TO PLACE A SURFACE OF THE ONE CARTON MEMBER IN OPPOSED FACING RELATION TO THE SURFACE OF THE OTHER CARTON MEMBER AND THEREBY PROVIDE AN AREA IN WHICH A SEAL BETWEEN SAID MEMBERS CAN BE EFFECTED, AT LEAST ONE OF SAID CARTON MEMBERS BEING PROVIDED, IN A PLY THEREOF CONSTITUTING A SURFACE THEREOF WHICH WILL COME INTO OPPOSED FACING RELATIONSHIP WITH THE SURFACE OF THE OTHER CARTON MEMBER IN THE SAID SEALING AREA UPON FOLDING OF THE CARTON BLANK IN ERECTING A CARTON THEREFROM AND CLOSING OF THE SAME,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |