US3605365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic foam building panel
Assignee: Individual
•
Filing: 1969-09-08
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Granted: 1971-09-20
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Expires: 1989-09-08
Abstract
Abstract IN A MANUFACTURING PLANT A PREFORMED OR PREFOAMED SHEET IS FORMED OF HEAT EXPANDABLE PLASTIC FOAM MATERIAL WITH AT LEAST ONE FACE HAVING A PATTERN OF RELATIVELY RAISED AND DEPRESSED PORTION FORMING STEAM CHANNEL AND DISTRIBUTION MEANS AND WITH OR WITHOUT A FACE PLY BONDED TO ONE FACE OF THE SHEETS, AND AT A BUILDING SITE THE SHEET IS JUXTAPOSED TO PLANAR BUILDING FORMS, OR TO PLANAR FACE PLIES, DEPENDING ON WHETHER OR NOT THE WALL IS TO BE LAMINATED, AND STEAM IS APPLIED THROUGH THE CHANNEL AND DISTRIBUTION MEANS TO EXPAND THE PLASTIC FOAM MATERIAL TO FABRICATE A BUILDING WALL.
Inventors
- 👤 Allan J Hastings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:51
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/24; E04C2/243; E04B; E04B1/00; E04B1/35; E04C2/20; E04C2/205; Y; Y10; Y10S; Y10S264/00; Y10S264/07; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457; Y10T428/249921; Y10T428/249953; Y10T428/249987
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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |