US1782885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube still furnace
Assignee: Sunoco Inc
•
Filing: 1927-07-06
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Granted: 1930-11-25
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Expires: 1947-07-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:30
CPC Classifications
C; C10; C10G; C10G9/00; C10G9/14; C10G9/18; C10G9/20; F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/20; F22B37/202; F24; F24H; F24H1/00; F24H1/22; F24H1/40
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) | 1933-11-24 | 1934-05-26 | 1934-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-11-24 | 1938-05-26 | 1938-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-11-24 | 1942-05-26 | 1942-11-25 | $7700.00 | Window Closed / Lapsed |