US3433669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic treating method and apparatus
Assignee: VYZK USTAV MECHANIZACIE A AUTO
•
Filing: 1965-10-20
•
Granted: 1969-03-18
•
Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Jaroslav Kouril
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:07
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/18; G10K11/20; B; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12; B08B2203/00; B08B2203/02; B08B2203/0288
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2456706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |