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US2610698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsion treater
Assignee: Sivalls Tanks Inc
•
Filing: 1950-07-03
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Granted: 1952-09-16
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Expires: 1970-07-03
Abstract
No abstract record available.
Inventors
- 👤 Isaac W Lovelady
- 👤 Sanford P Kroeker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:23
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1557103A
Cited
US2181686A
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US2232948A
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US2181688A
Cited
US2297297A
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US2342950A
Cited
GB587012A
Cited
US2528032A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |