US2062333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Application of heat to converters
Assignee: Houdry Process Corp
•
Filing: 1933-10-19
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Granted: 1936-12-01
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Expires: 1953-10-19
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Prickett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:24
CPC Classifications
C; C10; C10G; C10G11/00; B; B01; B01J; B01J8/00; B01J8/02; B01J8/0242; B01J8/025; C10G11/10; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00168; B01J2208/00203; B01J2208/02; B01J2208/021
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) | 1939-12-01 | 1940-06-01 | 1940-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-12-01 | 1944-06-01 | 1944-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-12-01 | 1948-06-01 | 1948-12-01 | $7700.00 | Window Closed / Lapsed |