US3175689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Link suspended centrifugal
Assignee: Western States Machine Co
•
Filing: 1960-10-14
•
Granted: 1965-03-30
•
Expires: 1980-10-14
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Goodwin
- 👤 Jr Thomas R Laven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:52
CPC Classifications
B; B04; B04B; B04B9/00; B04B9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A CENTRIFUGAL COMPRISING A BASKET HAVING A BOTTOM DISCHARGE OPENING, A FIXED CURB STRUCTURE EXTENDING AROUND SAID BASKET, A FLOATING BASKET SUPPORT, MEANS ROTATABLY MOUNTING SAID BASKET ON AND TRANSMITTING THE WEIGHT OF THE BASKET TO SAID SUPPORT, SAID BASKET SUPPORT EXTENDING ACROSS THE CURB STRUCTURE AT A LEVEL BELOW THE BASKET AND BEING CUT AWAY AT LEAST ONE LOCATION UNDER THE BASKET
Claim 2
Dependent Claim
63 words
A CENTRIFUGAL COMPRISING A BASKET HAVING A BOTTOM DISCHARGE OPENING, A FIXED CURB STRUCTURE EXTENDING AROUND SAID BASKET, A FLOATING BASKET SUPPORT, MEANS ROTATABLY MOUNTING SAID BASKET ON AND TRANSMITTING THE WEIGHT OF THE BASKET TO SAID SUPPORT, SAID BASKET SUPPORT EXTENDING ACROSS THE CURB STRUCTURE AT A LEVEL BELOW THE BASKET AND BEING CUT AWAY AT LEAST ONE LOCATION UNDER THE BASKET
References Cited (Backward Citations)
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US1882968A
Cited
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Cited
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Cited
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Cited
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Cited
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Cited
US2761564A
Cited
US2780086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |