US3759779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminates
Assignee: General Electric Co
•
Filing: 1971-09-21
•
Granted: 1973-09-18
•
Expires: 1991-09-21
Abstract
Abstract LAMINATES HAVING GOOD PHYSICAL CHARACTERISTICS AT ROOM AND ELEVATED TEMPERATURES ARE PREPARED BY FORMING A SUSPENSION OF THE REACTION PRODUCT OF UNSATURATED BISIMIDE AND POLYAMINE IN A SUITABLE LIQUID, IMPREGNATING THE LAMINAE BASE WITH THE SUSPENSION AND CURING THE LAYUP TO FORM A LAMINATE UNDER HEAT AND PRESSURE.
Inventors
- 👤 W Dumas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:46
CPC Classifications
B; B32; B32B; B32B38/00; B32B38/08; B32B5/00; B32B5/02; B32B5/22; B32B5/24; B32B5/26; C; C08; C08J; C08J5/00; C08J5/24; C08J5/241; C08J5/244; C08L; C08L79/00; C08L79/04; C08L79/08; C08L79/085; B29; B29B; B29B15/00; B29B15/08; B29B15/10; B29B15/12; B29K; B29K2079/00; B29K2105/00; B29K2105/0058; B29K2105/25; B29K2105/251; B32B2260/00; B32B2260/02; B32B2260/021; B32B2260/04; B32B2260/046; C08J2379/00; C08J2379/04; C08J2379/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31721
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |