US3495102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoelectric transducer
Assignee: Individual
•
Filing: 1967-07-11
•
Granted: 1970-02-10
•
Expires: 1987-07-11
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 19:53
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; B06B1/0611; G; G01; G01L; G01L1/00; G01L1/16; G01L23/00; G01L23/08; G01L23/10; G01L9/00; G01L9/0041; G01L9/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2894317A
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US2846496A
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US3031591A
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US3171989A
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US3281613A
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US3322980A
Cited
US3290595A
Cited
US3390287A
Cited
US3349259A
Cited
US3390286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |