US3637579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyepoxide-polyanhydride adhesive composition
Assignee: Gulf Research and Development Co
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Filing: 1969-12-18
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Granted: 1972-01-25
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Expires: 1989-12-18
Abstract
Abstract AN ADHESIVE COMPOSITION CONTAINING A COPOLYMER OF A STRAIGHT CHAIN MONO-ALPHA-OLEFIN AND MALEIC, A LIQUID POLYEPOXIDE, AND A POWDERED FILLER. THE ADHESIVE IS USEFUL FOR BONDING SOLID ELEMENTS, SUCH AS METAL, TOGETHER.
Inventors
- 👤 Walter P Barie Jr
- 👤 Norman W Franke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:25
CPC Classifications
C; C09; C09J; C09J163/00; C09J123/00; C09J123/02; C09J123/025; C09J123/04; C09J123/08; C09J135/00; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/14; C08L2666/22; C08L2666/54; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31522
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) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |