US3492847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlling the pressing force of an ultrasonic tool against an article being machined
Assignee: Individual
•
Filing: 1966-12-06
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Granted: 1970-02-03
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Expires: 1986-12-06
Abstract
No abstract record available.
Inventors
- 👤 Alexandr Alexandrov Ustyantsev
- 👤 Boris Khaimovich Mechetner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:06
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/08; B26D7/086; B23; B23Q; B23Q11/00; B23Q11/001; B23Q11/0017; B23Q11/0028; B24; B24B; B24B1/00; B24B1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |