US3429105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Staged gas inlet system for gas analyzers and gas analyzing system for employing same
Assignee: Varian Medical Systems Inc
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Filing: 1966-07-06
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Granted: 1969-02-25
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Expires: 1986-07-06
Abstract
No abstract record available.
Inventors
- 👤 Peter M Llewellyn
- 👤 Duane P Littlejohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:14
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/02; H01J49/04; H01J49/0422; H01J49/0427; G; G01; G01N; G01N1/00; G01N1/28; G01N1/34; G01N30/00; G01N30/02; G01N30/62; G01N30/72; G01N30/7206; G01N30/722; G01N1/02; G01N1/22; G01N1/24; G01N1/40; G01N1/4005; G01N2001/4016
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) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |