Patent EP0009072A1 successfully refreshed from Google Patents.
US2749686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum packaging machine
Assignee: Emhart Manufacturing Co
•
Filing: 1951-09-26
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Granted: 1956-06-12
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Expires: 1971-09-26
Abstract
No abstract record available.
Inventors
- 👤 Edward H Lorenz
- 👤 Donald G Merrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:01
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/04; B65B31/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1683771A
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US1851676A
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US2281187A
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US2272258A
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US2277288A
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US2511241A
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US2559368A
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US2608333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |