US1924786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystallized peroxide from tetrahydronaphthalene
Assignee: BASF Schweiz AG
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Filing: 1933-04-25
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Granted: 1933-08-29
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Expires: 1953-04-25
Abstract
No abstract record available.
Inventors
- 👤 Hartmann Max
- 👤 Seiberth Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:01
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/02; C07C409/14; C07C407/00; C07C407/003; C07B; C07B2200/00; C07B2200/13; C07C2602/00; C07C2602/02; C07C2602/04; C07C2602/10
Claims Analysis
Total Claims: 0
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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) | 1936-08-28 | 1937-02-27 | 1937-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-28 | 1941-02-27 | 1941-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-28 | 1945-02-27 | 1945-08-29 | $7700.00 | Window Closed / Lapsed |