US3798107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminating apparatus
Assignee: PLASTI-MATS Corp
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Filing: 1971-08-23
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Granted: 1974-03-19
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Expires: 1991-08-23
Abstract
Abstract This disclosure relates to a laminating apparatus including means for extruding a pair of hot plastic webs between which is sandwiched sheets of paper stock material thus forming a sandwich web structure which when transversely severed forms table place mats or the like, the apparatus further including resilient and rigid surfaced rolls between which the sandwich web structure is fed and means for moistening an exterior surface of the resilient roll. The apparatus further includes means for maintaining the resilient and rigid rolls at respective temperature ranges of 70o F.-90o F. and 90o F.-110o F.
Inventors
- 👤 W Bright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:21
CPC Classifications
B; B32; B32B; B32B37/00; B32B37/14; B32B37/16; B32B37/22; B32B37/223; B32B37/226; B29; B29C; B29C48/00; B29C48/001; B29C48/0013; B29C48/0014; B29C48/16; B29C48/18; B29C48/21; B32B37/0038; B29C48/03; B29C48/07; B29C48/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |