US3238696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for vacuum packaging of brittle material
Assignee: Individual
•
Filing: 1962-03-12
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Granted: 1966-03-08
•
Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Christensson Od Wikar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:13
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/04; B65B31/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN ARRANGEMENT FOR PACKAGING COMPRISING THE COMBINATION OF: MEANS DEFINING A VACUUM CHAMBER; AN INLET AND AN OUTLET CONDUIT CONNECTED TO THE INTERIOR OF THE CHAMBER; MEANS FOR POSITIONING A PACKAGE OF MATERIAL SEALED EXCEPT FOR A SMALL OPEN PORTION THEREOF IN THE CHAMBER; MEANS FOR WITHDRAWING AIR FROM THE INTERIOR OF THE CHAMBER AND THE PACKAGE THROUGH THE OUTLET CONDUIT UNTIL THE INTERIOR OF THE CHAMBER REACHES A PREDETERMINED VACUUM; A HOLLOW LANCET; MEANS FOR INTRODUCING THE LANCET INTO THE INTERIOR OF THE PACKAGE DURING THE
Claim 2
Dependent Claim
87 words
AN ARRANGEMENT FOR PACKAGING COMPRISING THE COMBINATION OF: MEANS DEFINING A VACUUM CHAMBER; AN INLET AND AN OUTLET CONDUIT CONNECTED TO THE INTERIOR OF THE CHAMBER; MEANS FOR POSITIONING A PACKAGE OF MATERIAL SEALED EXCEPT FOR A SMALL OPEN PORTION THEREOF IN THE CHAMBER; MEANS FOR WITHDRAWING AIR FROM THE INTERIOR OF THE CHAMBER AND THE PACKAGE THROUGH THE OUTLET CONDUIT UNTIL THE INTERIOR OF THE CHAMBER REACHES A PREDETERMINED VACUUM; A HOLLOW LANCET; MEANS FOR INTRODUCING THE LANCET INTO THE INTERIOR OF THE PACKAGE DURING THE
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |