US3348734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for emptying liquid containers
Assignee: John Burton Machine Corp
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Filing: 1966-06-14
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Granted: 1967-10-24
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Expires: 1986-06-14
Abstract
No abstract record available.
Inventors
- 👤 Harold B Rice
- 👤 Swenson Harold Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:16
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/08; B67D1/0829; B67D1/0801; B67D1/0802
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
THE METHOD OF EMPTYING A CONTAINER OF LIQUID HAVING ONLY ONE RELATIVELY SMALL DISCHARGE OPENING IN ONE SIDE THEREOF COMPRISING THE STEPS OF: DISPOSING SAID CONTAINER WITH SAID ONE SIDE UPPERMOST, INTRODUCING A SUCTION CONDUIT HAVING AN INLET END THROUGH SAID OPENING UNTIL SAID END IS ADJACENT THE LOWER SIDE OF SAID CONTAINER, APPLYING SUCTION TO SAID CONDUIT TO REMOVE SAID LIQUID THERETHROUGH AND SIMULTANEOUSLY PERMITTING AIR TO ENTER SAID CONTAINER THROUGH SAID DISCHARGE OPENING AROUND SAID CONDUIT,
Claim 2
Independent Claim
78 words
THE METHOD OF EMPTYING A CONTAINER OF LIQUID HAVING ONLY ONE RELATIVELY SMALL DISCHARGE OPENING IN ONE SIDE THEREOF COMPRISING THE STEPS OF: DISPOSING SAID CONTAINER WITH SAID ONE SIDE UPPERMOST, INTRODUCING A SUCTION CONDUIT HAVING AN INLET END THROUGH SAID OPENING UNTIL SAID END IS ADJACENT THE LOWER SIDE OF SAID CONTAINER, APPLYING SUCTION TO SAID CONDUIT TO REMOVE SAID LIQUID THERETHROUGH AND SIMULTANEOUSLY PERMITTING AIR TO ENTER SAID CONTAINER THROUGH SAID DISCHARGE OPENING AROUND SAID CONDUIT,
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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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |