US3232313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balanced valves
Assignee: CONTROLS Q
•
Filing: 1963-11-08
•
Granted: 1966-02-01
•
Expires: 1983-11-08
Abstract
No abstract record available.
Inventors
- 👤 Jorgen D Bering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:07
CPC Classifications
F; F16; F16K; F16K39/00; F16K39/02; F16K39/022; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7491
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB459662A
Cited
US430089A
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US488370A
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US2645452A
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US1629496A
Cited
US2141018A
Cited
US2636517A
Cited
US2715415A
Cited
US2752947A
Cited
US2755817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |