Patent US2559227A successfully refreshed from Google Patents.
US2559227A
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Shock wave generator
Assignee: INTERVAL INSTR Inc
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Filing: 1947-05-24
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Granted: 1951-07-03
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Expires: 1967-05-24
Abstract
No abstract record available.
Inventors
- 👤 Rieber Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:12
CPC Classifications
G; G10; G10K; G10K15/00; G10K15/04; G10K15/06; A; A61; A61H; A61H23/00; A61H23/008; A61N; A61N7/00; A61N7/02; Y; Y10; Y10S; Y10S60/00; Y10S60/911; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49806
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) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |