US2999672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid mixing apparatus
Assignee: Curtiss Wright Corp
•
Filing: 1958-04-09
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Granted: 1961-09-12
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Expires: 1978-04-09
Abstract
No abstract record available.
Inventors
- 👤 Daniel L Harshman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:11
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/10; F02K7/18; F02K1/00; F02K1/38; F02K1/386; F02K7/16; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87652
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US759603A
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US2588532A
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US2511291A
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US2738646A
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US2674264A
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US2750733A
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US2794447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |