US3544273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for sampling and analyzing breath
Assignee: MSA Safety Inc
•
Filing: 1968-11-04
•
Granted: 1970-12-01
•
Expires: 1988-11-04
Abstract
No abstract record available.
Inventors
- 👤 Paul W Mcconnaughey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:48
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/483; G01N33/497; G01N33/4972; Y; Y10; Y10S; Y10S436/00; Y10S436/90; Y10T; Y10T436/00; Y10T436/20; Y10T436/203332; Y10T436/204165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3196689A
Cited
US3437449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |