Patent US3052209A successfully refreshed from Google Patents.
US3052209A
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Apparatus for evacuating natural and artificial products
Assignee: Lucas Aardenburg N V
•
Filing: 1958-12-16
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Granted: 1962-09-04
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Expires: 1978-12-16
Abstract
No abstract record available.
Inventors
- 👤 Werther Matheus Hendrikus
- 👤 Christ Cornelius Marie W Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:44
CPC Classifications
A; A23; A23B; A23B7/00; A23B2/00; A23B2/10; A23B2/103; Y; Y10; Y10S; Y10S118/00; Y10S118/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1080469A
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US1252535A
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US1890475A
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US1938060A
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US2012969A
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US2241737A
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US2364400A
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US2702248A
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US2689182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |