US3524908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphoramides
Assignee: Baker Petrolite LLC
•
Filing: 1966-11-25
•
Granted: 1970-08-18
•
Expires: 1986-11-25
Abstract
No abstract record available.
Inventors
- 👤 Derek Redmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:24
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/16; C02; C02F; C02F1/00; C02F1/50; C02F1/52; C02F1/54; C02F1/542; C02F5/00; C02F5/08; C02F5/10; C02F5/14; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/22; C07F9/24; C07F9/547; C07F9/645; C07F9/6503; C07F9/6506; C07F9/6527; C07F9/6533; C07F9/6564; C07F9/6571; C07F9/657154; C09K8/00; C09K8/54; C09K8/60; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2151380A
Cited
US2418224A
Cited
US2574516A
Cited
US2995596A
Cited
US2944075A
Cited
US3278653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |