US1573591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of heating fluids
Assignee: KANSAS CITY GASOLINE Co
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Filing: 1921-09-13
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Granted: 1926-02-16
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Expires: 1941-09-13
Abstract
No abstract record available.
Inventors
- 👤 Frank E Wellman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:16
CPC Classifications
C; C10; C10G; C10G9/00; C10G9/26; F; F28; F28D; F28D21/00; F28D21/0001; F28D21/0003; F28D21/001
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) | 1929-02-15 | 1929-08-17 | 1930-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-02-15 | 1933-08-17 | 1934-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-02-15 | 1937-08-17 | 1938-02-16 | $7700.00 | Window Closed / Lapsed |