US3086538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning device
Assignee: Ransohoff Inc
•
Filing: 1959-05-20
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Granted: 1963-04-23
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Expires: 1979-05-20
Abstract
No abstract record available.
Inventors
- 👤 Bernard C Voltz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:16
CPC Classifications
C; C23; C23G; C23G3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A CLEANING TANK COMPRISING, A SUMP CHAMBER, A CLEANING CHAMBER ADJACENT SAID SUMP CHAMBER, A TUBE FORMING A FLUID RETURN PASSAGEWAY BETWEEN SAID CHAMBERS, A RING LOCATED IN SAID CLEANING CHAMBER AND SURROUNDING AT LEAST A PORTION OF SAID TUBE, SAID RING FORMING A PERIPHERAL DISCHARGE PORT WITH SAID TUBE, A HEADER SECURED TO THE LEADING EDGE OF SAID RING, A CONDUIT CONNECTED TO SAID HEADER FOR SUPPLYING FLUID THERETO, A FLOW CONTROL VALVE IN SAID CONDUIT, AND A PUMP DISPOSED IN SAID SUMP CHAMBER AND CONNECTED TO SAID CONDUIT FOR DRIVING FLUID FROM SAID SUMP CHAMBER THROUGH SAID CONDUIT TO SAID HEADER.
Claim 2
Dependent Claim
103 words
A CLEANING TANK COMPRISING, A SUMP CHAMBER, A CLEANING CHAMBER ADJACENT SAID SUMP CHAMBER, A TUBE FORMING A FLUID RETURN PASSAGEWAY BETWEEN SAID CHAMBERS, A RING LOCATED IN SAID CLEANING CHAMBER AND SURROUNDING AT LEAST A PORTION OF SAID TUBE, SAID RING FORMING A PERIPHERAL DISCHARGE PORT WITH SAID TUBE, A HEADER SECURED TO THE LEADING EDGE OF SAID RING, A CONDUIT CONNECTED TO SAID HEADER FOR SUPPLYING FLUID THERETO, A FLOW CONTROL VALVE IN SAID CONDUIT, AND A PUMP DISPOSED IN SAID SUMP CHAMBER AND CONNECTED TO SAID CONDUIT FOR DRIVING FLUID FROM SAID SUMP CHAMBER THROUGH SAID CONDUIT TO SAID HEADER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |