US2993654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow control for fluids and the like
Assignee: Individual
•
Filing: 1959-02-10
•
Granted: 1961-07-25
•
Expires: 1979-02-10
Abstract
No abstract record available.
Inventors
- 👤 Orlo C Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:20
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/02; F16K7/04; F16K7/07; F16L; F16L55/00; F16L55/24; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7889
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
AT23990B
Cited
US2114977A
Cited
US2621889A
Cited
US2534874A
Cited
US2651322A
Cited
US2662485A
Cited
FR1058147A
Cited
US2760436A
Cited
US2890838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |