Patent US3203602A successfully refreshed from Google Patents.
US3203602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Line pressure operated metering device for water conditioning system
Assignee: Union Tank Car Co
•
Filing: 1963-06-05
•
Granted: 1965-08-31
•
Expires: 1983-06-05
Abstract
No abstract record available.
Inventors
- 👤 Benjamin H Kryzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:20
CPC Classifications
B; B01; B01J; B01J4/00; B01J4/008; C; C02; C02F; C02F1/00; C02F1/42; Y; Y10; Y10T; Y10T137/00; Y10T137/4891; Y10T137/7722; Y10T137/7771; Y10T137/778
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A METERING DEVICE COMPRISING A BODY MEMBER HAVING A PRESSURE CHAMBER AND A METERING CHAMBER THEREIN, SAID METERING CHAMBER BEING ADAPTED TO RECEIVE LIQUID FROM A RESERVOIR CHAMBER CONTAINING A LIQUID, SAID METERING CHAMBER AND SAID PRESSURE CHAMBER COMMUNICATING WITH ONE ANOTHER, A VALVE MEANS ASSOCIATED WITH SAID BODY MEMBER AND HAVING A FIRST AND SECOND POSITION, SAID FIRST POSITION PREVENTING LIQUID FROM FLOWING FROM SAID PRESSURE CHAMBER TO SAID METERING CHAMBER WHILE ALLOWING LIQUID TO FLOW FROM SAID RESERVOIR CHAMBER TO SAID METERING CHAMBER AND SAID SECOND POSITION ALLOWING LIQUID TO FLOW FROM SAID METERING CHAMBER TO SAID PRESSURE CHAMBER WHILE PREVENTING LIQUID FROM FLOWING FROM SAID RESERVOIR CHAMBER TO SAID METERING CHAMBER, AND VENT MEANS ATTACHED TO SAID VALVE MEANS TO REMOVE AIR DISPLACED FROM SAID METERING CHAMBER AS LIQUID ENTERS SAID METERING CHAMBER.
Claim 2
Dependent Claim
136 words
A METERING DEVICE COMPRISING A BODY MEMBER HAVING A PRESSURE CHAMBER AND A METERING CHAMBER THEREIN, SAID METERING CHAMBER BEING ADAPTED TO RECEIVE LIQUID FROM A RESERVOIR CHAMBER CONTAINING A LIQUID, SAID METERING CHAMBER AND SAID PRESSURE CHAMBER COMMUNICATING WITH ONE ANOTHER, A VALVE MEANS ASSOCIATED WITH SAID BODY MEMBER AND HAVING A FIRST AND SECOND POSITION, SAID FIRST POSITION PREVENTING LIQUID FROM FLOWING FROM SAID PRESSURE CHAMBER TO SAID METERING CHAMBER WHILE ALLOWING LIQUID TO FLOW FROM SAID RESERVOIR CHAMBER TO SAID METERING CHAMBER AND SAID SECOND POSITION ALLOWING LIQUID TO FLOW FROM SAID METERING CHAMBER TO SAID PRESSURE CHAMBER WHILE PREVENTING LIQUID FROM FLOWING FROM SAID RESERVOIR CHAMBER TO SAID METERING CHAMBER, AND VENT MEANS ATTACHED TO SAID VALVE MEANS TO REMOVE AIR DISPLACED FROM SAID METERING CHAMBER AS LIQUID ENTERS SAID METERING CHAMBER.
References Cited (Backward Citations)
US798163A
Cited
US1287141A
Cited
US1698890A
Cited
US1905726A
Cited
US2627503A
Cited
US2807393A
Cited
US2801032A
Cited
US3039665A
Cited
US3049266A
Cited
US3072302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |