US2980123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic apparatus
Assignee: Individual
•
Filing: 1955-11-14
•
Granted: 1961-04-18
•
Expires: 1975-11-14
Abstract
No abstract record available.
Inventors
- 👤 Jerome H Lemelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:11
CPC Classifications
B; B05; B05B; B05B17/00; B05B17/04; B05B17/06; B05B17/0607; 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)
US1738565A
Cited
US2163650A
Cited
US2460919A
Cited
US2484014A
Cited
US2647846A
Cited
FR978290A
Cited
US2612860A
Cited
US2711927A
Cited
US2738173A
Cited
US2814575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |