US3104192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a smooth surface on expanded plastic
Assignee: Agricola Reg Trust
•
Filing: 1956-10-15
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Granted: 1963-09-17
•
Expires: 1976-10-15
Abstract
No abstract record available.
Inventors
- 👤 Hacklander Karl Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:41
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08J; C08J9/00; C08J9/34; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023; Y10T156/1039; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249988
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PROCESS FOR MANUFACTURING A COMPOSITE SHEET OF RESILIENT THERMOPLASTIC EXPANDED PLASTIC COMPRISING SUPERIMPOSING A RELATIVELY THIN LAYER OF EXPANDED PLASTIC ON A BACKING LAYER OF EXPANDED PLASTIC THE ADJACENT SURFACES OF THE LAYERS BEING PRE-HEATED TO THE PLASTIC STATE, HEATING THE EXPOSED SURFACES OF THE RELATIVELY THIN LAYER AND APPLYING PRESSURE TO THE EXPOSED SURFACE WITH A WIPING ACTION WHEREBY THE PORES AND GAS HOLES ARE REMOVED FROM THE PORTION OF THE RELATIVELY THIN LAYER ADJACENT THE EXPOSED SURFACE AND THE RELATIVELY THIN LAYER IS SIMULTANEOUSLY BONDED TO THE BACKING LAYER.
Claim 2
Dependent Claim
92 words
A PROCESS FOR MANUFACTURING A COMPOSITE SHEET OF RESILIENT THERMOPLASTIC EXPANDED PLASTIC COMPRISING SUPERIMPOSING A RELATIVELY THIN LAYER OF EXPANDED PLASTIC ON A BACKING LAYER OF EXPANDED PLASTIC THE ADJACENT SURFACES OF THE LAYERS BEING PRE-HEATED TO THE PLASTIC STATE, HEATING THE EXPOSED SURFACES OF THE RELATIVELY THIN LAYER AND APPLYING PRESSURE TO THE EXPOSED SURFACE WITH A WIPING ACTION WHEREBY THE PORES AND GAS HOLES ARE REMOVED FROM THE PORTION OF THE RELATIVELY THIN LAYER ADJACENT THE EXPOSED SURFACE AND THE RELATIVELY THIN LAYER IS SIMULTANEOUSLY BONDED TO THE BACKING LAYER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |