US3486381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supersonic-energy measuring devices and systems
Assignee: US Filter Wallace and Tiernan Inc
•
Filing: 1966-10-25
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Granted: 1969-12-30
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Expires: 1986-10-25
Abstract
No abstract record available.
Inventors
- 👤 Vito C Farese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:04
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/28; G01F23/296; G01F23/2962; G01L; G01L9/00; G01L9/0091; G01N; G01N29/00; G01N29/02; G01N29/024; G01N2291/00; G01N2291/02; G01N2291/028; G01N2291/02836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3115615A
Cited
US3100885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |