US3163104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for continuous plastic lamination
Assignee: PLASTICMASTER CORP
•
Filing: 1960-06-21
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Granted: 1964-12-29
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Expires: 1980-06-21
Abstract
No abstract record available.
Inventors
- 👤 Clarence L Lapham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:15
CPC Classifications
B; B32; B32B; B32B27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
THE METHOD OF CONTINUOUSLY LAMINATING STIFF PLANAR ARTICLES WHICH COMPRISES THE STEPS OF: (A) FORMING A LAMINATABLE ASSEMBLY BY BRINGING TOGETHER TWO WEBS OF THERMOPLASTIC MATERIAL WITH CARDS THEREBETWEEN AND SPACED LONGITUDINALLY THEREALONG, (B) SUBSEQUENTLY SIMULTANEOUSLY HEATING BOTH SIDES OF SAID LAMINATABLE ASSEMBLY INCLUDING THE SAID CARDS, (C) SUBSEQUENT TO SAID HEATING, WELDING SAID LAMINATABLE ASSEMBLY BY PROGRESSIVELY APPLYING PRESSURE TO THE SAID LAMINATABLE ASSEMBLY WHILE IT IS HEATED, (D) RELATIVELY SLOWLY AND FORCEABLY COOLING THE LAMINATED ASSEMBLY SUBSEQUENT TO SAID WELDING, AND (E) MAINTAINING LONGITUDINAL TENSION UPON SAID LAMI-
Claim 2
Independent Claim
90 words
THE METHOD OF CONTINUOUSLY LAMINATING STIFF PLANAR ARTICLES WHICH COMPRISES THE STEPS OF: (A) FORMING A LAMINATABLE ASSEMBLY BY BRINGING TOGETHER TWO WEBS OF THERMOPLASTIC MATERIAL WITH CARDS THEREBETWEEN AND SPACED LONGITUDINALLY THEREALONG, (B) SUBSEQUENTLY SIMULTANEOUSLY HEATING BOTH SIDES OF SAID LAMINATABLE ASSEMBLY INCLUDING THE SAID CARDS, (C) SUBSEQUENT TO SAID HEATING, WELDING SAID LAMINATABLE ASSEMBLY BY PROGRESSIVELY APPLYING PRESSURE TO THE SAID LAMINATABLE ASSEMBLY WHILE IT IS HEATED, (D) RELATIVELY SLOWLY AND FORCEABLY COOLING THE LAMINATED ASSEMBLY SUBSEQUENT TO SAID WELDING, AND (E) MAINTAINING LONGITUDINAL TENSION UPON SAID LAMI-
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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) | 1967-12-29 | 1968-06-29 | 1968-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-29 | 1972-06-29 | 1972-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-29 | 1976-06-29 | 1976-12-29 | $7700.00 | Window Closed / Lapsed |