US3437508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural panel and method of production
Assignee: Owens Corning
•
Filing: 1967-08-23
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Granted: 1969-04-08
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Expires: 1987-08-23
Abstract
No abstract record available.
Inventors
- 👤 Florian T Gorski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:01
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/0025; B29C2793/00; B29C2793/009; B29C59/00; B29C59/02; B29K; B29K2105/00; B29K2105/04; B29K2105/06; B29K2105/12; B29K2105/128; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/31504; Y10T428/31551; Y10T428/31627
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2583024A
Cited
US3050427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |