Patent US2967633A successfully refreshed from Google Patents.
US2967633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic fraction collector
Assignee: Berlin-Brandenburg Academy of Sciences and Humanities
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Filing: 1958-06-25
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Granted: 1961-01-10
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Expires: 1978-06-25
Abstract
No abstract record available.
Inventors
- 👤 Stegemann Hans
- 👤 Neumann Ernst-Gotthard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:59
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/18; G01N35/00; G01N35/02; G01N35/04; G01N2035/0401; G01N2035/0406; G01N2035/041; G01N2035/0412; G01N2035/0413; G01N2035/046; G01N2035/0465; G01N35/021
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) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |