US2456192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous process for the manufacture of synthetic resins
Assignee: GIRDIER Corp
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Filing: 1943-09-13
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Granted: 1948-12-14
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Expires: 1963-09-13
Abstract
No abstract record available.
Inventors
- 👤 Harold G Houlton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:27
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/24; B01J19/245; C; C08; C08G; C08G8/00; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00058; B01J2219/00065; B01J2219/00074; B01J2219/00087; B01J2219/00094; B01J2219/00105; B01J2219/0015; B01J2219/00155; B01J2219/00159; B01J2219/00164; B01J2219/00182
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-14 | 1952-06-14 | 1952-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-14 | 1956-06-14 | 1956-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-14 | 1960-06-14 | 1960-12-14 | $7700.00 | Window Closed / Lapsed |