Patent US3470869A successfully refreshed from Google Patents.
US3470869A
Expired / Lapsed
US
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Apparatus for gastro-intestinal barium air contrast spraying
Assignee: Cleveland Clinic Foundation
•
Filing: 1965-07-09
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Granted: 1969-10-07
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Expires: 1985-07-09
Abstract
No abstract record available.
Inventors
- 👤 Leonard Fenton
- 👤 Edward Buonocore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:36
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0067; A61M25/0068; A61M25/007; A61K; A61K49/00; A61K49/04; A61M25/01; A61M25/0105; A61M25/0108; A61M31/00; A61M31/005
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) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |