Patent US3206031A successfully refreshed from Google Patents.
US3206031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid dispenser for the purification and filtration of water
Assignee: Met Pro Inc
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Filing: 1962-03-02
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Granted: 1965-09-14
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Expires: 1982-03-02
Abstract
No abstract record available.
Inventors
- 👤 Matthew A Messa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:12
CPC Classifications
C; C02; C02F; C02F1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A LIQUID DISPENSER COMPRISING A CONTAINER HAVING A BOTTOM WALL, A SELECTIVELY OPERABLE VALVE MEANS COUPLED TO SAID CONTAINER ADJACENT SAID BOTTOM WALL, A FLAT HOLLOW FILTER UNIT IN SAID CONTAINER ON SAID BOTTOM WALL, SAID FILTER UNIT INCLUDING UPPER AND LOWER CHAMBERS, AT LEAST A PORTION OF THE WALL OF SAID UPPER CHAMBER HAVING HOLES EXTENDING THERETHROUG, A REMOVABLE POROUS RECEPTACLE WITHIN SAID UPPER CHAMBER, SAID RECEPTACLE COMPLETELY FILLING SAID UPPER CHAMBER, FILTER MATERIAL HOUSED WITHIN SAID RECEPTACLE TO COMPLETELY FILL SAID RECEPTACLE AND UPPER CHAM-
Claim 2
Dependent Claim
87 words
A LIQUID DISPENSER COMPRISING A CONTAINER HAVING A BOTTOM WALL, A SELECTIVELY OPERABLE VALVE MEANS COUPLED TO SAID CONTAINER ADJACENT SAID BOTTOM WALL, A FLAT HOLLOW FILTER UNIT IN SAID CONTAINER ON SAID BOTTOM WALL, SAID FILTER UNIT INCLUDING UPPER AND LOWER CHAMBERS, AT LEAST A PORTION OF THE WALL OF SAID UPPER CHAMBER HAVING HOLES EXTENDING THERETHROUG, A REMOVABLE POROUS RECEPTACLE WITHIN SAID UPPER CHAMBER, SAID RECEPTACLE COMPLETELY FILLING SAID UPPER CHAMBER, FILTER MATERIAL HOUSED WITHIN SAID RECEPTACLE TO COMPLETELY FILL SAID RECEPTACLE AND UPPER CHAM-
References Cited (Backward Citations)
US292912A
Cited
US794107A
Cited
US880685A
Cited
US970504A
Cited
US1110852A
Cited
US1661290A
Cited
US2665009A
Cited
US2808937A
Cited
US2931507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |