US2428192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum packaging machine
Assignee: FLEXIBLE VACUUM CONTAINER Corp
•
Filing: 1942-06-09
•
Granted: 1947-09-30
•
Expires: 1962-06-09
Abstract
No abstract record available.
Inventors
- 👤 Samuel H Berch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:34
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/02; B65B31/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US503810A
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US1914369A
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US1887751A
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US1909319A
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US1941195A
Cited
US1886552A
Cited
US2106463A
Cited
US2114624A
Cited
US2168241A
Cited
US2288603A
Cited
US2235394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-29 | 1951-03-31 | 1951-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-29 | 1955-03-31 | 1955-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-29 | 1959-03-31 | 1959-09-30 | $7700.00 | Window Closed / Lapsed |