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US2963600A
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Device for the determination of changes in the composition of gas
Assignee: CERBERUS GmbH
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Filing: 1958-07-11
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Granted: 1960-12-06
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Expires: 1978-07-11
Abstract
No abstract record available.
Inventors
- 👤 Meili Ernst
- 👤 Lampart Thomas
- 👤 Derfler Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:06
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/62; G01N27/64; G01N27/66; G08; G08B; G08B17/00; G08B17/10; G08B17/11; G08B17/113; H; H01; H01J; H01J41/00; H01J41/02; H01J41/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH227471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |