Patent US712794A successfully refreshed from Google Patents.
Patent US3199742A successfully refreshed from Google Patents.
US3199742A
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Assignee: Hill Brothers Chemical Co
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Filing: 1963-06-28
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Granted: 1965-08-10
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Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
- 👤 Donald A Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:35
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/04; B65D77/06; B65D77/062; B65D77/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A CONTAINER FOR STORING AND DISCHARGING LIQUIDS, A UNITARY PLASTIC LINER FORMING A COMPLETELY ENCLOSED CHAMBER, SAID LINER INCLUDING VERTICAL FRONT AND BACK WALLS AND AN END WALL, SAID END WALL BEING JOINED TO SAID FRONT WALL BY A ROUNDED PORTION, THE MATERIAL OF SAID ROUNDED PORTION BEING THIN AND FLEXIBLE, SAID END WAL BEING JOINED PORTION BEING THIN AND FLEXIBLE, SAID END WALL BEING JOINED TO SAID BACK WSALL AT AN ACTUATE ANGLE, SAID END WALL TAPERING IN THICKNESS SOS THAT AT SAID JOINT IT IS THICK AND INFLEXIBLE RELATIVE TO SAID ROUNDED PORTION, SAID BACK WALL AT SAID JOINT ALSO BEING RELATIVELY THICK AND INFLEXIBLE WHEREBY A LINE JOINT IS FORMED BETWEEN SAID WALLS, AND A SPOUT LOCATED AT SAID JOINT OF SAID END AND BACK WALLS AND HAVING A PASSAGEWAY THERETHROUGH WHICH COMMUNICATES WITH SAID CHAMBER, THE INNER END OF SAID PASSAGEWAY LYING DIRECTLY ASTRIDE SAID LINE JOINT.
Claim 2
Dependent Claim
152 words
IN A CONTAINER FOR STORING AND DISCHARGING LIQUIDS, A UNITARY PLASTIC LINER FORMING A COMPLETELY ENCLOSED CHAMBER, SAID LINER INCLUDING VERTICAL FRONT AND BACK WALLS AND AN END WALL, SAID END WALL BEING JOINED TO SAID FRONT WALL BY A ROUNDED PORTION, THE MATERIAL OF SAID ROUNDED PORTION BEING THIN AND FLEXIBLE, SAID END WAL BEING JOINED PORTION BEING THIN AND FLEXIBLE, SAID END WALL BEING JOINED TO SAID BACK WSALL AT AN ACTUATE ANGLE, SAID END WALL TAPERING IN THICKNESS SOS THAT AT SAID JOINT IT IS THICK AND INFLEXIBLE RELATIVE TO SAID ROUNDED PORTION, SAID BACK WALL AT SAID JOINT ALSO BEING RELATIVELY THICK AND INFLEXIBLE WHEREBY A LINE JOINT IS FORMED BETWEEN SAID WALLS, AND A SPOUT LOCATED AT SAID JOINT OF SAID END AND BACK WALLS AND HAVING A PASSAGEWAY THERETHROUGH WHICH COMMUNICATES WITH SAID CHAMBER, THE INNER END OF SAID PASSAGEWAY LYING DIRECTLY ASTRIDE SAID LINE JOINT.
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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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |