US3415779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermocurable precondensates from polyepoxy compounds and aromatic amines and process for their manufacture
Assignee: BASF Schweiz AG
•
Filing: 1964-11-12
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Granted: 1968-12-10
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Expires: 1984-11-12
Abstract
No abstract record available.
Inventors
- 👤 Preininger Erich
- 👤 Ott Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:31
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4071; C08G59/44; C08G59/446; C08G59/50; C08G59/504; Y; Y10; Y10S; Y10S524/00; Y10S524/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2801229A
Cited
US3013049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |