US3454542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monomer recovery process
Assignee: Monsanto Co
•
Filing: 1964-08-24
•
Granted: 1969-07-08
•
Expires: 1984-08-24
Abstract
No abstract record available.
Inventors
- 👤 Dudley W Cheape Jr
- 👤 Wayne R Eberhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:36
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/18; B01J19/1868; B01J19/1881; C; C08; C08F; C08F6/00; C08F6/001; C08F6/003; C08F6/14; C08F6/16; B01J2219/00; B01J2219/00761; B01J2219/00763; B01J2219/00765; B01J2219/0077
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2462013A
Cited
US2556851A
Cited
US2807573A
Cited
US3153024A
Cited
US3084143A
Cited
US3192189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |