US3302825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Open top liquid container
Assignee: Bilnor Corp
•
Filing: 1964-04-15
•
Granted: 1967-02-07
•
Expires: 1984-04-15
Abstract
No abstract record available.
Inventors
- 👤 Schleeweiss Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:28
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/0018; E04H4/0031
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A COLLAPSIBLE LIQUID CONTAINER COMPRISING A COILABLE METAL WALL NON-RIGID IN A LONGITUDINAL DIRECTION DEFINING AN ENCLOSURE, A FLEXIBLE FLUID IMPERVIOUS BOTTOM WALL, AND MEANS FORMING A FLUID TIGHT JOINT CONNECTING SAID WALLS, COMPRISING A SEAM BY WHICH THE PERIPHERAL EDGE OF SAID BOTTOM WALL IS ENCLOSED BY A FOLDED EDGE OF SAID METAL WALL.
Claim 2
Dependent Claim
55 words
A COLLAPSIBLE LIQUID CONTAINER COMPRISING A COILABLE METAL WALL NON-RIGID IN A LONGITUDINAL DIRECTION DEFINING AN ENCLOSURE, A FLEXIBLE FLUID IMPERVIOUS BOTTOM WALL, AND MEANS FORMING A FLUID TIGHT JOINT CONNECTING SAID WALLS, COMPRISING A SEAM BY WHICH THE PERIPHERAL EDGE OF SAID BOTTOM WALL IS ENCLOSED BY A FOLDED EDGE OF SAID METAL WALL.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |