Patent US2013791A successfully refreshed from Google Patents.
US2013791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bromination of aromatic compounds
Assignee: EIDP Inc
•
Filing: 1934-10-18
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Granted: 1935-09-10
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Expires: 1954-10-18
Abstract
No abstract record available.
Inventors
- 👤 John H Sachs
- 👤 Ferdinand W Peck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:17
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/22; C09B3/00; C09B3/40; C09B3/44; C09B3/46; C09B7/00; C09B7/02; C09B7/04
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) | 1938-09-09 | 1939-03-11 | 1939-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-09 | 1943-03-11 | 1943-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-09 | 1947-03-11 | 1947-09-10 | $7700.00 | Window Closed / Lapsed |