US2827412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-ply plastic laminate and method of forming same
Assignee: W R Chance & Associates Inc
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Filing: 1955-05-10
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Granted: 1958-03-18
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Expires: 1975-05-10
Abstract
No abstract record available.
Inventors
- 👤 William C Mckay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:20
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T428/00; Y10T428/19; Y10T428/192; Y10T428/195
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
100 words
THE METHOD OF JOINING THE CONTIGUOUS ENDS OF A PAIR OF FIRST AND SECOND PLASTIC LAMINATE SECTIONS, EACH SECTION BEING COMPOSED OF SUPERIMPOSED LAYERS OF THIN FLEXIBLE PLASTIC SHEET MATERIAL, COMPRISING THE STEPS OF TERMINATING THE END OF THE FIRST SECTION IN A REARWARDLY STEPPED ARRANGEMENT AND LAYING UP THE LAYERS OF THE SECOND SECTION ON THE STEPPED END WITH THE INNERMOST LAYER OF THE SECOND SECTION ABUTTING AND BEING FLUSH WITH THE OUTERMOST LAYER OF THE FIRST SECTION AND WITH THE SUCCESSIVE LAYERS OF THE SECOND SECTION HAVING EDGE PORTIONS COPLANAR WITH THE OUTERMOST LAYER OF THE FIRST SECTION.
Claim 2
Independent Claim
100 words
THE METHOD OF JOINING THE CONTIGUOUS ENDS OF A PAIR OF FIRST AND SECOND PLASTIC LAMINATE SECTIONS, EACH SECTION BEING COMPOSED OF SUPERIMPOSED LAYERS OF THIN FLEXIBLE PLASTIC SHEET MATERIAL, COMPRISING THE STEPS OF TERMINATING THE END OF THE FIRST SECTION IN A REARWARDLY STEPPED ARRANGEMENT AND LAYING UP THE LAYERS OF THE SECOND SECTION ON THE STEPPED END WITH THE INNERMOST LAYER OF THE SECOND SECTION ABUTTING AND BEING FLUSH WITH THE OUTERMOST LAYER OF THE FIRST SECTION AND WITH THE SUCCESSIVE LAYERS OF THE SECOND SECTION HAVING EDGE PORTIONS COPLANAR WITH THE OUTERMOST LAYER OF THE FIRST SECTION.
Claim 3
Dependent Claim
99 words
A LAMINATE BUILD-UP COMPRISING A FIRST SECTION OF SUPERIMPOSED PLASTIC SHEETS HAVING AN INWARDLY STEPPED END DEFINED BY VERTICALLY INWARDLY OFFSET ENDS ON THE SHEETS FROM THE INNERMOST SHEET TO THE OUTERMOST SHEET AND A SECOND SECTION OF SUPERIMPOSED PLASTIC SHEETS, SAID SHEETS OF THE SECOND SECTION HAVING ENDS LAID UP ON THE STEPPED END OF THE FIRST SECTION, SAID ENDS BEING IN COPLANAR RELATION AND BEING SUBSTANTIALLY COPLANAR WITH THE OUTERMOST SHEET OF THE FIRST SECTION AND SAID ENDS BEING SPACED APART A DISTANCE EQUAL TO THE WIDTH OF THE OFFSET BETWEEN THE SHEETS OF THE FIRST SECTION.
Claim 4
Dependent Claim
99 words
A LAMINATE BUILD-UP COMPRISING A FIRST SECTION OF SUPERIMPOSED PLASTIC SHEETS HAVING AN INWARDLY STEPPED END DEFINED BY VERTICALLY INWARDLY OFFSET ENDS ON THE SHEETS FROM THE INNERMOST SHEET TO THE OUTERMOST SHEET AND A SECOND SECTION OF SUPERIMPOSED PLASTIC SHEETS, SAID SHEETS OF THE SECOND SECTION HAVING ENDS LAID UP ON THE STEPPED END OF THE FIRST SECTION, SAID ENDS BEING IN COPLANAR RELATION AND BEING SUBSTANTIALLY COPLANAR WITH THE OUTERMOST SHEET OF THE FIRST SECTION AND SAID ENDS BEING SPACED APART A DISTANCE EQUAL TO THE WIDTH OF THE OFFSET BETWEEN THE SHEETS OF THE FIRST SECTION.
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) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |