US2894019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphorus compounds
Assignee: BASF Schweiz AG
•
Filing: 1958-01-27
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Granted: 1959-07-07
•
Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Maeder Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:45
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/22; C07F9/224; C07F9/24; C07F9/2454; C07F9/2458; C07F9/28; C07F9/30; C07F9/36; C07F9/38; C07F9/44; C07F9/4461; C07F9/4465; C11; C11B; C11B5/00; C11B5/0071; C10; C10M; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND 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) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |