Patent US3365951A successfully refreshed from Google Patents.
US3365951A
Expired / Lapsed
US
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Sample injector for gas chromatographs
Assignee: PE Manufacturing GmbH
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Filing: 1965-04-12
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Granted: 1968-01-30
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Expires: 1985-04-12
Abstract
No abstract record available.
Inventors
- 👤 Jentzsch Dietrich
- 👤 Schumann Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:50
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/26; G01N30/28; G01N30/32; G01N30/04; G01N30/16; G01N30/20; G01N30/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3103807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |