US3010467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for introducing gas into a stream of liquid
Assignee: Fischer and Porter Co
•
Filing: 1958-06-03
•
Granted: 1961-11-28
•
Expires: 1978-06-03
Abstract
No abstract record available.
Inventors
- 👤 Nyyrikki K Stenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:32
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/232; B01F23/2326; B01F23/2366; B01F35/00; B01F35/20; B01F35/22; B01F35/221; B01F35/2213; B01F35/71; B01F35/712; B01F35/717; B01F35/718; B01F35/71805; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2572; Y10T137/2574; Y10T137/2605; Y10T137/2607; Y10T137/3149; Y10T137/3185; Y10T137/3294; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7788; Y10T137/8158; Y10T137/8359
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2560948A
Cited
US1435883A
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US2150460A
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US2587375A
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US2582612A
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US2761464A
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US2747599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |