US3456039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphorus carbonyl compounds
Assignee: BASF Schweiz AG
•
Filing: 1965-12-07
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Granted: 1969-07-15
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Expires: 1985-12-07
Abstract
No abstract record available.
Inventors
- 👤 Ernst Beriger
- 👤 Ludwig Ebner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:22
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4071; C07F9/409; C07F9/4093; A; A01; A01N; A01N57/00; A01N57/02; C07F9/06; C07F9/08; C07F9/09; C07F9/095; C07F9/096; C07F9/16; C07F9/165; C07F9/1654; C07F9/1656; C07F9/30; C07F9/307; C07F9/32; C07F9/3205; C07F9/3247; C07F9/3252; C07F9/3258; C07F9/3264; C07F9/4003; C07F9/4062; C07F9/4065
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) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |