Patent US2869722A successfully refreshed from Google Patents.
US2869722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper products having a release coating and method of preparation thereof
Assignee: Fibreboard Paper Products Corp
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Filing: 1957-10-14
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Granted: 1959-01-20
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Expires: 1977-10-14
Abstract
No abstract record available.
Inventors
- 👤 Myron P Marander
- 👤 Felix B Gschwend
- 👤 Monroe F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:41
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/56; B65D5/563
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A PACKAGE COMPRISING A PAPERBOARD CONTAINER HAVING A COATING ON ITS INTERIOR WALLS OF FROM ABOUT 5 TO 95 PERCENT BY WEIGHT OF A CATALYTICALLY POLYMERIZED HEATCURED SILICONE RESIN WITH RELEASE PROPERTIES, FROM ABOUT 5 TO 95 PERCENT BY WEIGHT OF POLYMERIC POLYVINYL ALCOHOL CARRIER, SAID PERCENTS BY WEIGHT BEING BASED UPON THE WEIGHT OF SILICONE RESIN AND CARRIER IN SAID COATING, AND BETWEEN 1 PERCENT AND 20 PERCENT OF THE AMOUNT OF SILICONE RESIN IN SAID COATING; AND A TACKY MATERIAL WITHIN SAID CONTAINER.
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |