US3205122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminates containing oil shale
Assignee: Phillips Petroleum Co
•
Filing: 1960-11-04
•
Granted: 1965-09-07
•
Expires: 1980-11-04
Abstract
No abstract record available.
Inventors
- 👤 Francis W Crawford
- 👤 John W Marx
- 👤 Harry W Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:55
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31667; Y10T428/31855; Y10T428/31938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A LAMINATE COMPRISING A PLURALITY OF LAYERS WHEREIN AT LEAST ONE LAYER IS A SOLID POLYOLEFIN AND AT LEAST ONE LAYER IS A MATERIAL SELECTED FROM THE GROUP CONSISTING OF AN OIL SHALE CONTAINING AT LEAST ABOUT 15 GALLONS OF OIL PER TON OF MINERAL, A MIXTURE OF SAID OIL SHALE AND SULFUR, A MIXTURE OF SAID OIL SHALE AND AN ALDEHYDE WHICH WILL VOLATILIZE AT MOLDING TEMPERATURE, AND A MIXTURE OF SAID OIL SHALE AND ABOUT 2 TO 95 WEIGHT PERCENT OF A SOLID POLYOLEFIN WHERIN SAID LAYERS ARE BONDED TOGETHER BY APPLICATION OF HEAT AND PRESSURE.
Claim 2
Dependent Claim
98 words
A LAMINATE COMPRISING A PLURALITY OF LAYERS WHEREIN AT LEAST ONE LAYER IS A SOLID POLYOLEFIN AND AT LEAST ONE LAYER IS A MATERIAL SELECTED FROM THE GROUP CONSISTING OF AN OIL SHALE CONTAINING AT LEAST ABOUT 15 GALLONS OF OIL PER TON OF MINERAL, A MIXTURE OF SAID OIL SHALE AND SULFUR, A MIXTURE OF SAID OIL SHALE AND AN ALDEHYDE WHICH WILL VOLATILIZE AT MOLDING TEMPERATURE, AND A MIXTURE OF SAID OIL SHALE AND ABOUT 2 TO 95 WEIGHT PERCENT OF A SOLID POLYOLEFIN WHERIN SAID LAYERS ARE BONDED TOGETHER BY APPLICATION OF HEAT AND PRESSURE.
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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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |