US2429971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing a therapeutic zinc peroxide composition
Assignee: EIDP Inc
•
Filing: 1943-08-02
•
Granted: 1947-10-28
•
Expires: 1963-08-02
Abstract
No abstract record available.
Inventors
- 👤 James H Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:28
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/04; C01B15/047
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2266835A
Cited
US969073A
Cited
US1157993A
Cited
US1222608A
Cited
US1729590A
Cited
US1913774A
Cited
US1869518A
Cited
US2105835A
Cited
US2052175A
Cited
GB452889A
Cited
US2149682A
Cited
US2042173A
Cited
US2276503A
Cited
US2205872A
Cited
US2287847A
Cited
US2304098A
Cited
US2285277A
Cited
US2245495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-27 | 1951-04-28 | 1951-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-27 | 1955-04-28 | 1955-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-27 | 1959-04-28 | 1959-10-28 | $7700.00 | Window Closed / Lapsed |