US2991293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New epoxy compounds
Assignee: BASF Schweiz AG
•
Filing: 1959-11-03
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Granted: 1961-07-04
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Expires: 1979-11-03
Abstract
No abstract record available.
Inventors
- 👤 Batzer Hans
- 👤 Nikles Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:31
CPC Classifications
C; C07; C07D; C07D323/00; C07D323/04; C07D407/00; C07D407/14; C08; C08G; C08G18/00; C08G18/003; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/24; C08G59/26; C08G59/32; C08G59/3236; C08G59/38; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/159; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
EPOXY COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
5 words
EPOXY COMPOUNDS OF THE FORMULA
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) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |