US3347427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure pour apparatus
Assignee: Individual
•
Filing: 1965-11-30
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Granted: 1967-10-17
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Expires: 1985-11-30
Abstract
No abstract record available.
Inventors
- 👤 Willis Wilfred Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:39
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/36; B22; B22D; B22D17/00; B22D17/20; B22D17/30; B22D39/00; B22D39/06; C; C21; C21C; C21C7/00; C21C7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
PRESSURE POUR APPARATUS FOR DISPENSING OF LIQUID COMPRISING: A SEALIBLE RECEPTACLE FOR HOLDING LIQUID, A DISCHARGE PASSAGEWAY EXTENDING UPWARDLY FROM SAID RECEPTACLE, WITH ITS LOWER END AT A LEVEL ADJACENT THE BOTTOM OF SAID RECEPTACLE AND HAVING AT ITS UPPER END, A DISCHARGE LIP, MEANS FOR CONDUCTING A GAS UNDER PRESSURE INTO SAID RECEPTACLE, AND PRESSURE SENSITIVE MEANS EXPOSED TO PRESSURE PREVAILING IN SAID LIQUID AT A LOCATION BELOW THE PREVAILING LIQUID LEVEL AND RESPONSIVE TO DIMINUTION THEREOF FROM A VALVE CORRESPONDING TO THE PRESSURE VALUE OF SAID PRESSURE SENSITIVE MEANS FOR ADMITTING GAS UNDER PRESSURE TO MAINTAIN PRESSURE AT SAID BELOW LEVEL POINT SUBSTANTIALLY EQUAL TO THE PRESSURE VALUE OF SAID PRESSURE SENSITIVE MEANS.
Claim 2
Dependent Claim
115 words
PRESSURE POUR APPARATUS FOR DISPENSING OF LIQUID COMPRISING: A SEALIBLE RECEPTACLE FOR HOLDING LIQUID, A DISCHARGE PASSAGEWAY EXTENDING UPWARDLY FROM SAID RECEPTACLE, WITH ITS LOWER END AT A LEVEL ADJACENT THE BOTTOM OF SAID RECEPTACLE AND HAVING AT ITS UPPER END, A DISCHARGE LIP, MEANS FOR CONDUCTING A GAS UNDER PRESSURE INTO SAID RECEPTACLE, AND PRESSURE SENSITIVE MEANS EXPOSED TO PRESSURE PREVAILING IN SAID LIQUID AT A LOCATION BELOW THE PREVAILING LIQUID LEVEL AND RESPONSIVE TO DIMINUTION THEREOF FROM A VALVE CORRESPONDING TO THE PRESSURE VALUE OF SAID PRESSURE SENSITIVE MEANS FOR ADMITTING GAS UNDER PRESSURE TO MAINTAIN PRESSURE AT SAID BELOW LEVEL POINT SUBSTANTIALLY EQUAL TO THE PRESSURE VALUE OF SAID PRESSURE SENSITIVE MEANS.
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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |