Patent US3039462A successfully refreshed from Google Patents.
US3039462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for dilating and dispensing material to body cavities
Assignee: Individual
•
Filing: 1959-11-16
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Granted: 1962-06-19
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Expires: 1979-11-16
Abstract
No abstract record available.
Inventors
- 👤 Henry W Walden
- 👤 Richard H Walden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:41
CPC Classifications
A; A61; A61M; A61M31/00; A61M11/00; A61M13/00; A61M29/00; A61M29/02; A61M3/00; A61M3/02; A61M3/0233; A61M3/0254; A61M3/0262; A61M3/0279; A61M3/0291
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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |