US4040783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for analysis of the exhaust gases from internal combustion engines
Assignee: Lars Collin Consult AB
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Filing: 1975-02-21
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Granted: 1977-08-09
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Expires: 1995-02-21
Abstract
No abstract record available.
Inventors
- 👤 Lars Th Collin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:02
CPC Classifications
G; G01; G01M; G01M15/00; G01M15/04; G01M15/10; G01M15/102; G01N; G01N1/00; G01N1/02; G01N1/22; G01N1/2247; G01N1/2252; Y; Y10; Y10T; Y10T436/00; Y10T436/17; Y10T436/177692; Y10T436/20; Y10T436/204998; Y10T436/205831; Y10T436/21
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) | 1980-08-08 | 1981-02-07 | 1981-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-08 | 1985-02-07 | 1985-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-08 | 1989-02-07 | 1989-08-09 | $7700.00 | Window Closed / Lapsed |