US3347251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid logic frequency treatment device
Assignee: Schneider Electric Systems USA Inc
•
Filing: 1964-06-24
•
Granted: 1967-10-17
•
Expires: 1984-06-24
Abstract
No abstract record available.
Inventors
- 👤 Cavas M Gobhai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:30
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/14; F15C1/146; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3075548A
Cited
US3001698A
Cited
US3093306A
Cited
US3117593A
Cited
US3155825A
Cited
US3223101A
Cited
US3224674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |