US3535159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for applying ultrasonic energy to a workpiece
Assignee: Branson Ultrasonics Corp
•
Filing: 1967-12-07
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Granted: 1970-10-20
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Expires: 1987-12-07
Abstract
No abstract record available.
Inventors
- 👤 Benjamin P Shiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:01
CPC Classifications
B; B24; B24B; B24B31/00; B24B31/06; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |