Patent US2547758A successfully refreshed from Google Patents.
US2547758A
Expired / Lapsed
US
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Instrument for treating the male urethra
Assignee: Individual
•
Filing: 1949-01-05
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Granted: 1951-04-03
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Expires: 1969-01-05
Abstract
No abstract record available.
Inventors
- 👤 Wilmer B Keeling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:12
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61F; A61F5/00; A61F5/44; A61F5/451; A61F5/453; A61M25/01; A61M25/02; A61M2025/0213
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE116510C
Cited
US2473742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |