Patent US2370541A successfully refreshed from Google Patents.
US2370541A
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Mineral oil cracking process
Assignee: CLARENCE P BYRNES
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Filing: 1939-07-07
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Granted: 1945-02-27
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Expires: 1959-07-07
Abstract
No abstract record available.
Inventors
- 👤 James Joseph Hidy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:01
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/20; C10G11/22; C10G11/02; C10G11/04; C10G9/00; C10G9/34; C10G9/36; C10G9/38
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) | 1948-02-27 | 1948-08-28 | 1949-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-02-27 | 1952-08-28 | 1953-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-02-27 | 1956-08-28 | 1957-02-27 | $7700.00 | Window Closed / Lapsed |