US3138517A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metalized laminate
Assignee: 3M Co
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Filing: 1960-05-27
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Granted: 1964-06-23
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Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 Robert R Charbonneau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:05
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681; Y10T428/31703; Y10T442/00; Y10T442/30; Y10T442/3382; Y10T442/3407
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A METALIZED LAMINATE COMPRISING AS SUCCESSIVE OVERLYING LAYERS, A SUBSTRATE, AN INTERMEDIATE LAYER COMPRISING A METAL, AND A LAYER SUBSEQUENT TO SAID INTERMEDIATE LAYER COMPRISING A SOLID COPOLYMER OF A POLYESTER CONTAINING MORE THAN TWO ACTIVE HYDROGENS AND HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 1,000 AND 10,000 AND A POLYALKYLENAMIDE OF THE FORMULA ((2-R'',2-R"-AZIRIDINO)-CO)N-R IN WHICH R IS AN N-VALENT ORGANIC RADICAL HAVING FROM 4 TO 55 CARBON ATOMS, R'' AND R" ARE ECH SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND AN ALKYL RADICAL HAVING FROM 1 TO 8 CARBON ATOMS AND N IS FROM 2 TO 4 SAID SUBSTRATE AND LAYERS BEING BONDED TOGETHER AS A UNITARY STRUCTURE.
Claim 2
Dependent Claim
110 words
A METALIZED LAMINATE COMPRISING AS SUCCESSIVE OVERLYING LAYERS, A SUBSTRATE, AN INTERMEDIATE LAYER COMPRISING A METAL, AND A LAYER SUBSEQUENT TO SAID INTERMEDIATE LAYER COMPRISING A SOLID COPOLYMER OF A POLYESTER CONTAINING MORE THAN TWO ACTIVE HYDROGENS AND HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 1,000 AND 10,000 AND A POLYALKYLENAMIDE OF THE FORMULA ((2-R'',2-R"-AZIRIDINO)-CO)N-R IN WHICH R IS AN N-VALENT ORGANIC RADICAL HAVING FROM 4 TO 55 CARBON ATOMS, R'' AND R" ARE ECH SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND AN ALKYL RADICAL HAVING FROM 1 TO 8 CARBON ATOMS AND N IS FROM 2 TO 4 SAID SUBSTRATE AND LAYERS BEING BONDED TOGETHER AS A UNITARY STRUCTURE.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |