Patent US3416628A successfully refreshed from Google Patents.
US3416628A
Expired / Lapsed
US
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Shock wave generator
Assignee: Entwicklungsring Sued GmbH
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Filing: 1967-02-21
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Granted: 1968-12-17
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Expires: 1987-02-21
Abstract
No abstract record available.
Inventors
- 👤 Bschorr Oskar
- 👤 Josef F Neumair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:46
CPC Classifications
G; G10; G10K; G10K15/00; G10K15/04; G10K15/043; G10K7/00; G10K7/005; G10K7/02
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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |