US1428984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture or production of chlorinated products of toluene and dyestuffs therefrom
Assignee: Sanofi Aventis Deutschland GmbH
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Filing: 1915-03-12
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Granted: 1922-09-12
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Expires: 1935-03-12
Abstract
No abstract record available.
Inventors
- 👤 Schmidlin Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:41
CPC Classifications
C; C09; C09B; C09B11/00; C09B11/04; C09B11/06
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) | 1925-09-11 | 1926-03-13 | 1926-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-09-11 | 1930-03-13 | 1930-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-09-11 | 1934-03-13 | 1934-09-12 | $7700.00 | Window Closed / Lapsed |