US2875354A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoelectric transducer
Assignee: Branson Ultrasonics Corp
•
Filing: 1954-01-29
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Granted: 1959-02-24
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Expires: 1974-01-29
Abstract
No abstract record available.
Inventors
- 👤 Robert V Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:29
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; B06B1/0651
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2321285A
Cited
US2410825A
Cited
US2484626A
Cited
US2484636A
Cited
DE856314C
Cited
US2666862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |