US2378138A
Expired / Lapsed
US
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Apparatus for carrying out chemical reactions
Assignee: Individual
•
Filing: 1941-12-08
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Granted: 1945-06-12
•
Expires: 1961-12-08
Abstract
No abstract record available.
Inventors
- 👤 Peter J Gaylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:56
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0006; B01J19/0013; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00094; B01J2219/00121; B01J2219/00123; B01J2219/00126; B01J2219/0015; B01J2219/00155; B01J2219/00182; Y; Y10; Y10S; Y10S526/00; Y10S526/918
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) | 1948-06-11 | 1948-12-11 | 1949-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-11 | 1952-12-11 | 1953-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-11 | 1956-12-11 | 1957-06-12 | $7700.00 | Window Closed / Lapsed |