US3304965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for collecting separate quantities of liquid
Assignee: Pfizer Inc
•
Filing: 1964-02-05
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Granted: 1967-02-21
•
Expires: 1984-02-05
Abstract
No abstract record available.
Inventors
- 👤 Kenneth B Tate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:48
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/0203
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A DEVICE FOR CONVENIENTLY COLLECTING SEPARATE SMALL QUANTITIES OF A LIQUID COMPRISING AN ELONGATED DISPENSING CHAMBER HAVING A WALL AND OPEN AND CLOSED ENDS, A SERIES OF OPEN-ENDED BAFFLES EXTENDING INWARDLY FROM SAID WALL INTO SAID CHAMBER TO PROVIDE A SERIES OF SEGREGATING CHAMBERS, A VALVE MEANS IN SAID WALL IN EACH OF SAID SEGREGATING CHAMBERS IN THE PORTION OF SAID WALL TO WHICH SAID BAFFLES ARE CONNECTED REMOTE FROM THEIR OPEN ENDS, OPERATING MEANS CONNECTED WITH SAID VALVE MEANS FOR DISPENSING THE QUANTITIES OF LIQUID SEGREGATED IN SAID SEGREGATING CHAMBERS AFTER SAID DEVICE IS FILLED BY POURING LIQUID INTO ITS OPEN END IN A SUBSTANTIALLY VERTICAL POSITION AND THEN TURNING IT TO A SUBSTANTIALLY HORIZONTAL POSITION SAID DISPENSING CHAMBER COMPRISING A CYLINDRICAL CHAM-
Claim 2
Independent Claim
124 words
A DEVICE FOR CONVENIENTLY COLLECTING SEPARATE SMALL QUANTITIES OF A LIQUID COMPRISING AN ELONGATED DISPENSING CHAMBER HAVING A WALL AND OPEN AND CLOSED ENDS, A SERIES OF OPEN-ENDED BAFFLES EXTENDING INWARDLY FROM SAID WALL INTO SAID CHAMBER TO PROVIDE A SERIES OF SEGREGATING CHAMBERS, A VALVE MEANS IN SAID WALL IN EACH OF SAID SEGREGATING CHAMBERS IN THE PORTION OF SAID WALL TO WHICH SAID BAFFLES ARE CONNECTED REMOTE FROM THEIR OPEN ENDS, OPERATING MEANS CONNECTED WITH SAID VALVE MEANS FOR DISPENSING THE QUANTITIES OF LIQUID SEGREGATED IN SAID SEGREGATING CHAMBERS AFTER SAID DEVICE IS FILLED BY POURING LIQUID INTO ITS OPEN END IN A SUBSTANTIALLY VERTICAL POSITION AND THEN TURNING IT TO A SUBSTANTIALLY HORIZONTAL POSITION SAID DISPENSING CHAMBER COMPRISING A CYLINDRICAL CHAM-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |