US2658929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1, 1, 6, 6-tetrachloro-1, 5-hexadiene
Assignee: Uniroyal Inc
•
Filing: 1949-08-27
•
Granted: 1953-11-10
•
Expires: 1969-08-27
Abstract
No abstract record available.
Inventors
- 👤 Elbert C Ladd
- 👤 Sargent Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:36
CPC Classifications
C; C07; C07C; C07C21/00; C07C21/02; C07C21/19; C07C17/00; C07C17/26; C07C17/263; C07C17/269
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) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |