Patent US2461741A successfully refreshed from Google Patents.
US2461741A
Expired / Lapsed
US
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Automatically controlled sprayer for centrifugals
Assignee: Individual
•
Filing: 1945-02-01
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Granted: 1949-02-15
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Expires: 1965-02-01
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Kochli
- 👤 Charles A Olcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:15
CPC Classifications
B; B04; B04B; B04B15/00; B04B15/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE108225C
Cited
US769429A
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US1669927A
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US1713556A
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US2130864A
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US2148320A
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US2244652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-15 | 1952-08-16 | 1953-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-15 | 1956-08-16 | 1957-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-15 | 1960-08-16 | 1961-02-15 | $7700.00 | Window Closed / Lapsed |