US3449280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive composition containing high molecular weight polyamides,epoxy resins and curing agents
Assignee: 3M Co
•
Filing: 1960-04-27
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Granted: 1969-06-10
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Expires: 1980-04-27
Abstract
No abstract record available.
Inventors
- 👤 Robert A Frigstad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:05
CPC Classifications
C; C09; C09J; C09J163/00; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08L; C08L63/00; C08L77/00; C09J177/00; C09J177/02; C09J177/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31525; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |