US1582407A
Expired / Lapsed
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Apparatus for hydrocarbon-oil-cracking operations
Assignee: Standard Oil Co
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Filing: 1925-05-06
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Granted: 1926-04-27
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Expires: 1945-05-06
Abstract
No abstract record available.
Inventors
- 👤 Kenneth V King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:10
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0053; B01J19/0073; B01J19/0066; B01J19/02; B01J2219/00; B01J2219/02; B01J2219/025; B01J2219/0263; B01J2219/0268; Y; Y10; Y10S; Y10S122/00; Y10S122/13; Y10S76/00; Y10S76/04; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847
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) | 1929-04-26 | 1929-10-26 | 1930-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-04-26 | 1933-10-26 | 1934-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-04-26 | 1937-10-26 | 1938-04-27 | $7700.00 | Window Closed / Lapsed |