Patent US3543757A successfully refreshed from Google Patents.
US3543757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instrument for crushing concretions in the urinary bladder
Assignee: Individual
•
Filing: 1965-04-06
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Granted: 1970-12-01
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Expires: 1985-04-06
Abstract
No abstract record available.
Inventors
- 👤 Oleg Gavrilovich Balaev
- 👤 Jury Grigorievich Ediny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:41
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/22; A61B17/22004; A61B17/22012; A61B18/00; A61B2018/00982
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |