US3227351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing of pulverulent materials and the like
Assignee: Individual
•
Filing: 1960-08-08
•
Granted: 1966-01-04
•
Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Vogt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:54
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/02; B65D; B65D5/00; B65D5/02; B65D5/0272; B65D81/00; B65D81/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A CONTAINER FOR SMALL PARTICLES OF MATERIAL COMPRISING A RECEPTACLE HAVING A WALL PORTION AND A BOTTOM PORTION OF SUBSTANTIALLY GAS IMPERMEABLE MATERIAL AND A MOUTH AT THE TOP THEREOF AND A GAS PERMEABLE FILTER MEMBER IN SAID BOTTOM PORTION OPPOSED TO SAID MOUTH, SAID FILTER MEMBER HAVING OPENINGS OF A SIZE TO PERMIT ONLY THE PASSAGE OF GAS THERETHROUGH WHILE PRECLUDING THE PASSAGE OF THE PULVERULENT MATERIAL AND CLOSURE MEANS AT THE TOP AND BOTTOM PORTION OF THE RECEPTACLE FOR CLOSING SAID CONTAINER UPON THE FILLING THEREOF WITH MATERIAL.
Claim 2
Dependent Claim
90 words
A CONTAINER FOR SMALL PARTICLES OF MATERIAL COMPRISING A RECEPTACLE HAVING A WALL PORTION AND A BOTTOM PORTION OF SUBSTANTIALLY GAS IMPERMEABLE MATERIAL AND A MOUTH AT THE TOP THEREOF AND A GAS PERMEABLE FILTER MEMBER IN SAID BOTTOM PORTION OPPOSED TO SAID MOUTH, SAID FILTER MEMBER HAVING OPENINGS OF A SIZE TO PERMIT ONLY THE PASSAGE OF GAS THERETHROUGH WHILE PRECLUDING THE PASSAGE OF THE PULVERULENT MATERIAL AND CLOSURE MEANS AT THE TOP AND BOTTOM PORTION OF THE RECEPTACLE FOR CLOSING SAID CONTAINER UPON THE FILLING THEREOF WITH MATERIAL.
References Cited (Backward Citations)
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US2225389A
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Cited
US2731106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |