US3511731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite panel and an improved manufacturing method therefor
Assignee: PANNEAUX LANDAIS SOPALAND SOC
•
Filing: 1966-05-25
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Granted: 1970-05-12
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Expires: 1986-05-25
Abstract
No abstract record available.
Inventors
- 👤 Marcel Louis Raynal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:18
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/06; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/31504; Y10T428/31678; Y10T428/31688; Y10T428/31942; Y10T428/31949; Y10T428/31964
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2347697A
Cited
US2311518A
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US2601284A
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US2699417A
Cited
US2801198A
Cited
US3067077A
Cited
US3294619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |