US3227089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal pump
Assignee: US Philips Corp
•
Filing: 1964-04-21
•
Granted: 1966-01-04
•
Expires: 1984-04-21
Abstract
No abstract record available.
Inventors
- 👤 Gerardus Johannes Haarhuis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:02
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/004; F04D1/00; F04D1/06; F04D1/063; F04D1/066; F04D29/00; F04D29/40; F04D29/42; F04D29/426; F04D9/001; Y; Y10; Y10S; Y10S415/00; Y10S415/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US885108A
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GB188547A
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US1988875A
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US2216542A
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US2291138A
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US2416031A
Cited
US2388839A
Cited
US2480435A
Cited
US2812111A
Cited
US2845870A
Cited
US2829598A
Cited
GB886248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |