US3711355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminator
Assignee: General Binding Corp
•
Filing: 1970-04-17
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Granted: 1973-01-16
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Expires: 1990-04-17
Abstract
Abstract A COMPACT LAMINATING DEVICE FOR APPLYING HEAT AND PRESSURE TO A SANDWICH OF MATERIALS TO BE LAMINATED TOGETHER. A HIGHLY EFFICIENT MATERIAL TRANSFER AND HEAT APPLICATION SYSTEM IS CONSTRUCTED OF A MINIMUM OF MOVING PARTS AND THE STATIONARY COMPONENTS ARE MANUFACTED OF SIMPLE EXTRUSIONS. A PRE-FORMED LAMINATING SANDWICH WITH A THERMAL AND PRESSURE EQUALIZER IS EMPLOYED IN COMBINATION TO PROVIDE AN ESSENTIALLY WRINKLE-FREE AND AIR BUBBLEFREE LAMINATED PRODUCT.
Inventors
- 👤 H Staats
- 👤 M Levitan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:45
CPC Classifications
B; B32; B32B; B32B37/00; B32B37/14; B32B37/16; B32B37/18; B32B37/182; B32B37/185; B32B27/00; B32B27/06; B32B27/36; B32B2307/00; B32B2307/30; B32B2307/31; B32B2323/00; B32B2323/04; B32B2367/00; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1741
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) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |