US3115145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cleaning cooling systems
Assignee: Individual
•
Filing: 1960-10-21
•
Granted: 1963-12-24
•
Expires: 1980-10-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert G Monteath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:04
CPC Classifications
C; C23; C23G; C23G3/00; F; F01; F01P; F01P11/00; F01P11/06; F01P2011/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A CLEANING DEVICE COMPRISING, A FOUR WAY VALVE HAVING AN INTAKE PORT, A PAIR OF EXIT PORTS ALTERNATELY ALIGNABLE WITH SAID INTAKE PORT, AND A DISCHARGE PORT, SAID EXIT PORTS BEING ALIGNABLE ALTERNATELY WITH SAID DISCHARGE PORT AS THE OTHER EXIT PORT IS ALIGNED WITH SAID INTAKE PORT, A TANK FOR CONTAINING CLEANING SOLUTION, A PUMP FOR PUMPING THE SOLUTION IN SAID TANK FROM SAID TANK TO SAID INTAKE PORT OF SAID FOUR WAY VALVE, MEANS FOR INTRODUCING WATER INTO SAID INTAKE PORT OF SAID FOUR WAY VALVE, MEANS FOR ACTUATING SAID PUMP, MEANS FOR CYCLING SAID FOUR WAY VALVE, MEANS FOR SELECTIVELY CONTROLLING THE INTRODUCTION OF WATER AND CLEANING SOLUTION TO SAID INTAKE PORT, AND MEANS FOR SELECTIVELY DISCHARGING SAID WATER FROM SAID DISCHARGE PORT ALONG A PREDETERMINED PATH OF DISCHARGE AND FOR RETURNING SAID SOLUTION FROM SAID DISCHARGE PORT ALONG ANOTHER PATH TO SAID TANK WHEN SAID PUMP IS ACTUATED, AND MEANS
Claim 2
Dependent Claim
154 words
A CLEANING DEVICE COMPRISING, A FOUR WAY VALVE HAVING AN INTAKE PORT, A PAIR OF EXIT PORTS ALTERNATELY ALIGNABLE WITH SAID INTAKE PORT, AND A DISCHARGE PORT, SAID EXIT PORTS BEING ALIGNABLE ALTERNATELY WITH SAID DISCHARGE PORT AS THE OTHER EXIT PORT IS ALIGNED WITH SAID INTAKE PORT, A TANK FOR CONTAINING CLEANING SOLUTION, A PUMP FOR PUMPING THE SOLUTION IN SAID TANK FROM SAID TANK TO SAID INTAKE PORT OF SAID FOUR WAY VALVE, MEANS FOR INTRODUCING WATER INTO SAID INTAKE PORT OF SAID FOUR WAY VALVE, MEANS FOR ACTUATING SAID PUMP, MEANS FOR CYCLING SAID FOUR WAY VALVE, MEANS FOR SELECTIVELY CONTROLLING THE INTRODUCTION OF WATER AND CLEANING SOLUTION TO SAID INTAKE PORT, AND MEANS FOR SELECTIVELY DISCHARGING SAID WATER FROM SAID DISCHARGE PORT ALONG A PREDETERMINED PATH OF DISCHARGE AND FOR RETURNING SAID SOLUTION FROM SAID DISCHARGE PORT ALONG ANOTHER PATH TO SAID TANK WHEN SAID PUMP IS ACTUATED, AND MEANS
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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) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |