Patent US3050434A successfully refreshed from Google Patents.
US3050434A
Expired / Lapsed
US
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Alginate coated sheets for use in a delaminating process
Assignee: Formica Corp
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Filing: 1960-04-11
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Granted: 1962-08-21
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Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Avis E Emily
- 👤 Kenneth A Arata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:50
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/12; B; B32; B32B; B32B27/00; B32B37/00; B32B37/14; B32B37/26; Y; Y10; Y10T; Y10T156/00; Y10T156/11; Y10T156/1168; Y10T156/1195
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A PROCESS FOR RELEASING LAMINATES PRESSED BACK TO BACK COMPRISING THE STEPS OF ARRANGING A PLURALITY OF PLIES OF RESIN-IMPREGNATED CORE STOCK IN SUPERIMPOSED RELATIONSHIP IN GROUPS OF AT LEAST TWO STACKS, SEPARATING SAID STACKS FROM ONE ANOTHER WITH A WEB OF PAPER COATED ON ONE SIDE ONLY THEREOF WITH A FILM OF A SALT OF ALGINIC ACID, CONSOLIDATING THE PLIES BY THE APPLICATION OF HEAT AND PRESSURE AND SEPARATING THE ENDS OF THE STACKS FROM ONE ANOTHER AT THE LOCUS OF THE ALGINATE COATED SHEET.
Claim 2
Dependent Claim
86 words
A PROCESS FOR RELEASING LAMINATES PRESSED BACK TO BACK COMPRISING THE STEPS OF ARRANGING A PLURALITY OF PLIES OF RESIN-IMPREGNATED CORE STOCK IN SUPERIMPOSED RELATIONSHIP IN GROUPS OF AT LEAST TWO STACKS, SEPARATING SAID STACKS FROM ONE ANOTHER WITH A WEB OF PAPER COATED ON ONE SIDE ONLY THEREOF WITH A FILM OF A SALT OF ALGINIC ACID, CONSOLIDATING THE PLIES BY THE APPLICATION OF HEAT AND PRESSURE AND SEPARATING THE ENDS OF THE STACKS FROM ONE ANOTHER AT THE LOCUS OF THE ALGINATE COATED SHEET.
References Cited (Backward Citations)
US2303826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |