US3424930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoelectric pressure transducer and process for its manufacture
Assignee: Individual
•
Filing: 1966-06-15
•
Granted: 1969-01-28
•
Expires: 1986-06-15
Abstract
No abstract record available.
Inventors
- 👤 Hans List
- 👤 Rudolf Zeiringer
- 👤 Rudolf Hatschek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:47
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/16; G01L9/00; G01L9/0041; G01L9/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2917642A
Cited
US3082334A
Cited
US3150274A
Cited
US3171989A
Cited
US3158763A
Cited
US3313962A
Cited
US3349259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |