Patent US3044480A successfully refreshed from Google Patents.
US3044480A
Expired / Lapsed
US
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Fluid flow controller
Assignee: Individual
•
Filing: 1956-11-16
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Granted: 1962-07-17
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Expires: 1976-11-16
Abstract
No abstract record available.
Inventors
- 👤 Lee Shih-Ying
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:37
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/16; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/7722; Y10T137/7771; Y10T137/7772; Y10T137/7777; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/8659; Y10T137/86598; Y10T137/86606; Y10T137/87056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2669246A
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US2582088A
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US2524055A
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US2662540A
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US2675826A
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US2730124A
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US2709421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |