Patent US1815124A successfully refreshed from Google Patents.
Patent US3276900A successfully refreshed from Google Patents.
US3276900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam coated paper substrate and process of making same
Assignee: EIDP Inc
•
Filing: 1962-07-23
•
Granted: 1966-10-04
•
Expires: 1982-07-23
Abstract
No abstract record available.
Inventors
- 👤 Funck Dennis Light
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:50
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10S; Y10S264/00; Y10S264/46; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/249921; Y10T428/249953; Y10T428/249987
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
AN ARTICLE OF MANUFACTURE COMPRISING A PAPER SUBSTRATE FROM 2 TO 40 MILS THICK AND INTIMATELY ADHERED TO SAID PAPER A SURFACING FROM 1.5 TO 30 MILS THICK CONSISTING ESSENTIALLY OF A THERMOPLASTIC RESIN SELECTED FROM THE CLASS CONSISTING OF POLYETHYLENE AND POLYPROPYLENE FOAM HAVING A CONTINUOUS OUTER SURFACE OF SAID THERMOPLASTIC RESIN, AND HAVING AN EXPANSION FACTOR OF FROM 1.5 TO 10, WHICH THERMOPLASTIC RESIN HAS A SOFTENING POINT BETWEEN 40*C. AND 180*C.
Claim 2
Dependent Claim
74 words
AN ARTICLE OF MANUFACTURE COMPRISING A PAPER SUBSTRATE FROM 2 TO 40 MILS THICK AND INTIMATELY ADHERED TO SAID PAPER A SURFACING FROM 1.5 TO 30 MILS THICK CONSISTING ESSENTIALLY OF A THERMOPLASTIC RESIN SELECTED FROM THE CLASS CONSISTING OF POLYETHYLENE AND POLYPROPYLENE FOAM HAVING A CONTINUOUS OUTER SURFACE OF SAID THERMOPLASTIC RESIN, AND HAVING AN EXPANSION FACTOR OF FROM 1.5 TO 10, WHICH THERMOPLASTIC RESIN HAS A SOFTENING POINT BETWEEN 40*C. AND 180*C.
References Cited (Backward Citations)
US2495435A
Cited
US2586887A
Cited
US2779847A
Cited
US2775570A
Cited
US2841506A
Cited
US2896054A
Cited
US2894855A
Cited
US2979246A
Cited
US2929793A
Cited
US2998501A
Cited
US3072972A
Cited
US3098831A
Cited
US3095315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |