Patent US3457989A successfully refreshed from Google Patents.
US3457989A
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Assignee: GEA Group AG
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Filing: 1967-02-15
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Granted: 1969-07-29
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Expires: 1987-02-15
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Karl Nonnenmacher
- 👤 Rudolf Schafer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:59
CPC Classifications
F; F28; F28F; F28F5/00; F28F5/06; B; B01; B01F; B01F27/00; B01F27/60; B01F27/72; B01F27/721; B01F27/723; B01F35/00; B01F35/71; B01F35/717; B01F35/7173; B01F35/71731; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/50; B29C48/505; B29C48/51; B29C48/515; B29C48/78; B29C48/80; B29C48/84; B29C48/845; B65; B65G; B65G33/00; B65G33/08; B65G33/14; B65G33/18; B65G33/24; B65G45/00; B65G45/005; B29C48/03; Y; Y10; Y10S; Y10S165/00; Y10S165/135; Y10S165/139; Y10S165/147; Y10S165/148; Y10S165/149
Claims Analysis
Total Claims: 0
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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) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |