Patent US2147606A successfully refreshed from Google Patents.
US2147606A
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US
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Method of and apparatus for gas analysis
Assignee: Texaco Inc
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Filing: 1934-04-05
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Granted: 1939-02-14
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Expires: 1954-04-05
Abstract
No abstract record available.
Inventors
- 👤 Wallace A Mcmillan
- 👤 Howard A Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:45
CPC Classifications
G; G01; G01N; G01N7/00; Y; Y10; Y10T; Y10T436/00; Y10T436/21; Y10T436/214; Y10T436/216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-02-13 | 1942-08-15 | 1943-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-13 | 1946-08-15 | 1947-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-13 | 1950-08-15 | 1951-02-14 | $7700.00 | Window Closed / Lapsed |