US3500820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medical probe for injecting x-ray contrast medium into the body
Assignee: Individual
•
Filing: 1966-07-01
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Granted: 1970-03-17
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Expires: 1986-07-01
Abstract
No abstract record available.
Inventors
- 👤 Torsten Hakan Oskar Almen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:05
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/50; A61B6/504; A61B1/00; A61B1/005; A61B1/0051; A61B1/0052; A61B10/00; A61M; A61M25/00; A61M25/01; A61M25/09; A61M25/09016; A61M25/09025; A61B6/48; A61B6/481; A61M25/0105; A61M25/0108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB548462A
Cited
US2688329A
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US3058473A
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US3091235A
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US3253524A
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US3270641A
Cited
US3416531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |