US2857524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container
Assignee: Abbott Laboratories
•
Filing: 1955-01-14
•
Granted: 1958-10-21
•
Expires: 1975-01-14
Abstract
No abstract record available.
Inventors
- 👤 Donalee L Tabern
- 👤 Robert H Storey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:44
CPC Classifications
G; G21; G21G; G21G4/00; G21G4/04; G21G4/06; G21F; G21F5/00; G21F5/015
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN APPARATUS FOR RADIOACTIVE MATERIAL COMPRISING A BODY SECTION WHICH READILY TRANSMITS RADIOACTIVE RAYS WITHOUT APPRECIABLE SCREENING THEREOF HAVING A LATERAL SURFACE WITH AT LEAST A PORTION EXTENDING PERPENDICULARLY FROM A LOWER SUPPORTING SURFACE, A LOWER SUPPORTING SURFACE AND AN APERATURED UPPER SURFACE PROVIDNG A PASSAGE EXTENDING INTO THE INTERIOR OF SAID BODY SECTION, AND A
Claim 2
Independent Claim
56 words
AN APPARATUS FOR RADIOACTIVE MATERIAL COMPRISING A BODY SECTION WHICH READILY TRANSMITS RADIOACTIVE RAYS WITHOUT APPRECIABLE SCREENING THEREOF HAVING A LATERAL SURFACE WITH AT LEAST A PORTION EXTENDING PERPENDICULARLY FROM A LOWER SUPPORTING SURFACE, A LOWER SUPPORTING SURFACE AND AN APERATURED UPPER SURFACE PROVIDNG A PASSAGE EXTENDING INTO THE INTERIOR OF SAID BODY SECTION, AND A
References Cited (Backward Citations)
US2682352A
Cited
US2675487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |