US2429438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular bodies such as radium seeds
Assignee: American Cystoscope Makers Inc
•
Filing: 1943-05-11
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Granted: 1947-10-21
•
Expires: 1963-05-11
Abstract
No abstract record available.
Inventors
- 👤 Wappler Frederick Charles
- 👤 Mary D Wappler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:30
CPC Classifications
G; G21; G21G; G21G4/00; G21G4/04; G21G4/06; A; A61; A61K; A61K51/00; A61K51/12; A61K51/1282; A61N; A61N5/00; A61N5/10; A61N5/1001; A61N5/1027; B; B21; B21D; B21D51/00; A61K2121/00; A61N2005/1019; A61N2005/1024; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49792; Y10T29/49798; Y10T29/49808; Y10T29/51; Y10T29/5116
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-20 | 1951-04-21 | 1951-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-20 | 1955-04-21 | 1955-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-20 | 1959-04-21 | 1959-10-21 | $7700.00 | Window Closed / Lapsed |