US3423794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic method for producing phase transitions in materials at high pressures
Assignee: WAYNE D WILSON
•
Filing: 1964-06-30
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Granted: 1969-01-28
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Expires: 1984-06-30
Abstract
No abstract record available.
Inventors
- 👤 Wayne D Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:14
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/06; Y; Y10; Y10S; Y10S425/00; Y10S425/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2685116A
Cited
US2815535A
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US2941248A
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US3274660A
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US3088169A
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US3137896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |