US2504261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-washing cream separator
Assignee: International Motors LLC
•
Filing: 1946-06-24
•
Granted: 1950-04-18
•
Expires: 1966-06-24
Abstract
No abstract record available.
Inventors
- 👤 William H Harstick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:35
CPC Classifications
B; B04; B04B; B04B15/00; B04B15/06; B04B1/00; B04B1/10; B04B1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB191223115A
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US1212168A
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US1751982A
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GB253917A
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US2091329A
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US2173579A
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US2173580A
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US2313260A
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US2313541A
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US2313540A
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GB576524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |