Patent US3449278A successfully refreshed from Google Patents.
US3449278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxide resin compositions
Assignee: BASF Schweiz AG
•
Filing: 1967-04-04
•
Granted: 1969-06-10
•
Expires: 1987-04-04
Abstract
No abstract record available.
Inventors
- 👤 Alan Gordon Mckay
- 👤 Peter Thomas Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:49
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/54; C08G59/182; C08L; C08L63/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA767703A
Cited
CA566130A
Cited
US2901461A
Cited
US2864775A
Cited
US2970971A
Cited
US3019076A
Cited
US2899397A
Cited
US3130069A
Cited
US3240736A
Cited
US3316195A
Cited
US3316187A
Cited
US3282872A
Cited
BE630369A
Cited
US3310511A
Cited
US3396141A
Cited
US3396140A
Cited
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 |