Patent US626626A successfully refreshed from Google Patents.
Patent US2373627A successfully refreshed from Google Patents.
US2373627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic phosphorus compounds
Assignee: EIDP Inc
•
Filing: 1940-09-20
•
Granted: 1945-04-10
•
Expires: 1960-09-20
Abstract
No abstract record available.
Inventors
- 👤 Melvin A Dietrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:17
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C07F9/141; C07F9/1411; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1948-04-09 | 1948-10-09 | 1949-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-04-09 | 1952-10-09 | 1953-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-04-09 | 1956-10-09 | 1957-04-10 | $7700.00 | Window Closed / Lapsed |