US3400585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of measuring the output of a source of a certain gas
Assignee: Bendix Balzers Vacuum Inc
•
Filing: 1965-07-14
•
Granted: 1968-09-10
•
Expires: 1985-07-14
Abstract
No abstract record available.
Inventors
- 👤 Kraus Thaddaus
- 👤 Otto C Winkler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:49
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/30; C22; C22B; C22B9/00; C22B9/04; G; G01; G01F; G01F1/00; G01F1/704; G01N; G01N33/00; G01N33/20; G01N33/202; G01N33/2022; G01N33/2025; G01N7/00; G01N7/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2386831A
Cited
US2456163A
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US2671337A
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US2861450A
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US3176500A
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US3177700A
Cited
US3221537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |