US3201000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage receptacle for pulverized material
Assignee: Individual
•
Filing: 1963-07-09
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Granted: 1965-08-17
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Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 Hermanns Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:34
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/54; B65D88/72; B61; B61D; B61D5/00; B61D5/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN COMBINATION WITH A STORAGE RECEPTACLE FOR STICKY POWDERY MATERIAL HAVING A DISCHAREG OUTLET CENTRALLY OF ITS BOTTOM, A FLEXIBLE LOOSE LINING WEB NORMALLY LYING FLAT AGAINST THE BOTTOM AND INNER WALL OF THE RECEPTACLE, SAID WEB BEING ATTACHED AROUND SAID DISCHARGE OUTLET AND PERIPHERALLY TO THE SIDE WALLS OF THE RECEPTACLE, AND MEANS FOR INTRODUCING COMPRESSED AIR BETWEEN THE WEB AND THE WALL OF THE RECEPTACLE TO INFLATE SAID WEB AND PROJECT THE LOWER PORTION OF SID WEB INTO A SUBSTANTIALLY VERTICAL POSITION, SAID LOWER PORTION OF SAID WEB FORMING A CONDUIT FOR THE MATERIAL TO BE EMPTIED AND ONLY SAID
Claim 2
Dependent Claim
102 words
IN COMBINATION WITH A STORAGE RECEPTACLE FOR STICKY POWDERY MATERIAL HAVING A DISCHAREG OUTLET CENTRALLY OF ITS BOTTOM, A FLEXIBLE LOOSE LINING WEB NORMALLY LYING FLAT AGAINST THE BOTTOM AND INNER WALL OF THE RECEPTACLE, SAID WEB BEING ATTACHED AROUND SAID DISCHARGE OUTLET AND PERIPHERALLY TO THE SIDE WALLS OF THE RECEPTACLE, AND MEANS FOR INTRODUCING COMPRESSED AIR BETWEEN THE WEB AND THE WALL OF THE RECEPTACLE TO INFLATE SAID WEB AND PROJECT THE LOWER PORTION OF SID WEB INTO A SUBSTANTIALLY VERTICAL POSITION, SAID LOWER PORTION OF SAID WEB FORMING A CONDUIT FOR THE MATERIAL TO BE EMPTIED AND ONLY SAID
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |