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US3541601A
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Apparatus for mixing a gas or liquid to another gaseous or liquid medium
Assignee: CONTINENTAL ENG INGENIEURSBURE
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Filing: 1969-01-15
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Granted: 1970-11-17
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Expires: 1989-01-15
Abstract
No abstract record available.
Inventors
- 👤 Johan F Witte
- 👤 Nicolaas Cornelis Strijder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:07
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/314; Y; Y10; Y10S; Y10S261/00; Y10S261/54; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL111096C
Cited
US1748531A
Cited
US2413488A
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US2650075A
Cited
US3167413A
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US3441245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |