US3546079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for determining continuously small concentrations of gaseous halogenated compounds and of hydrogen halides in air and in other gases
Assignee: Individual
•
Filing: 1967-02-08
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Granted: 1970-12-08
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Expires: 1987-02-08
Abstract
No abstract record available.
Inventors
- 👤 Jerzy Waclawik
- 👤 Stefan Waszak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:49
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/403; G01N27/404; G01N27/4045; G01N31/00; G01N31/12; Y; Y10; Y10T; Y10T436/00; Y10T436/15; Y10T436/153333; Y10T436/19; Y10T436/196666
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) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |