US2726979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of laminating
Assignee: Continental Can Co Inc
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Filing: 1952-07-22
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Granted: 1955-12-13
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Expires: 1972-07-22
Abstract
No abstract record available.
Inventors
- 👤 Frank A Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:03
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/18; B; B32; B32B; B32B27/00; D21H1/00; D21H1/02; D21H1/06; D21H19/02; D21H19/04; D21H27/00; D21H27/30; D21H27/32; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31714; Y10T428/31801; Y10T428/31804; Y10T428/31808
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
A METHOD OF LAMINATING COMPRISING: CONTINUOUSLY AND SIMULTANEOUSLY ADVANCING A WEB OF METALLIC FOIL, A FIRST TISSUE WEB AND A SECOND TISSUE WEB; APPLYING A COATING OF MOLTEN, MICRO-CRYSTALLINE WAX TO ONE SIDE ONLY OF SAID FIRST TISSUE WEB; SUPERIMPOSING THE UNCOATED SIDE OF SAID FIRST TISSUE WEB ON THE WEB OF METALLIC FOIL AT A TEMPERATURE SUFFICIENT TO CAUSE PENETRATION OF THE WAX THROUGH THE TISSUE TO CAUSE ADHESION BETWEEN THE FOIL AND THE TISSUE; THEREAFTER SUPERIMPOSING SAID SECOND TISSUE WEB ON THE COATED SIDE OF THE FIRST TISSUE WEB AT A TEMPERATURE SUFFICIENT TO CAUSE PARTIAL PENETRATION BY THE WAX OF THE SECOND TISSUE WEB AND ADHESION BETWEEN THE TWO TISSUE WEBS.
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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) | 1958-12-12 | 1959-06-13 | 1959-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-12 | 1963-06-13 | 1963-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-12 | 1967-06-13 | 1967-12-13 | $7700.00 | Window Closed / Lapsed |