US3017329A
Expired / Lapsed
US
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Method of locating enteric constrictions with a plurality of pills containing an x-ray contrast agent
Assignee: Dow Chemical Co
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Filing: 1957-08-15
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Granted: 1962-01-16
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Expires: 1977-08-15
Abstract
No abstract record available.
Inventors
- 👤 Sr Frederick E Dulmage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:09
CPC Classifications
A; A61; A61K; A61K49/00; A61K49/04; A61K49/0404
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) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |