US3001375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygen distribution system
Assignee: MSA Safety Inc
•
Filing: 1959-08-14
•
Granted: 1961-09-26
•
Expires: 1979-08-14
Abstract
No abstract record available.
Inventors
- 👤 Clark B Tauscher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:12
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F17; F17C; F17C9/00; F17C9/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2617
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1875509A
Cited
US1145601A
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US2657542A
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US2750952A
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US2645906A
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US2747374A
Cited
US2825308A
Cited
US2958204A
Cited
US2919711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |