US2841716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dosimeter
Assignee: General Electric Co
•
Filing: 1954-12-16
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Granted: 1958-07-01
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Expires: 1974-12-16
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Rich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:00
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/02; H01J47/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
DOSIMETER COMPRISING, FIBER MEANS, SEALED TUBE MEANS ENCLOSING SAID FIBER MEANS IN A FIRST ION CHAMBER AND FORMING THEREWITH A FIRST CAPACITOR ADAPTED TO BE ELASTORTATICALLY CHARGED AND TO BE SUBSTANTIALLY DISCHARGED BY A SMALL AMOUNT OF RADIATION IMPINGING THEREUPON, SAID FIBER MEANS INDICATING BY ITS POSITION THE EXTENT OF SAID DISCHARGE, SAID TUBE MEANS HAVING THEREIN A SECOND ION CHAMBER WITHIN WHICH IS A LARGE SECOND SAID SECOND ION CHAMBER THEREBY BEING ADAPTED TO BE SAID SECOND ION CHAMBER THEREBY HEING ADAPTED TO BE ELECROSTACIALLY CHARGED AND TO BE SUBSTANTIALLY DISCHARGED BY A LARGE AMOUNT OF RADIATION, SWITCH MEANS FOR SELECTIVELY CONNECTING SAID FIRST AND SECOND CAPACITORR IN PARALLEL WITH ONE ANOTHER, SAID SWAITCH MEANS COMPRISING A FLEXIBLE CONDUCTOR CONNECTED TO THE OTHER END OF SAID SECOND CAPACITOR AND SELECTIVELY ADAPTED TO CONTACT SAIDW FIBER MEANS, SAID FIBER MEANS BEING SUPPORTED FROM AN INSULATOR WITHIN SAID TUBE MEANS AND HAVING AN EXTENSION IN JUXTAPOSITION THE CONTACT PORTION OF SAID FLEXIBLE CONDUCTOR, AND MEANS INCLUDED WITHIN SAID TUBE FOR OPTICALLY MAGNIFYING ANY MOVEMENT OF SAID FIBER MEANS SO AS TO MAKE THE MOVEMENT MORE READILY VISIVLE.
Claim 2
Dependent Claim
186 words
DOSIMETER COMPRISING, FIBER MEANS, SEALED TUBE MEANS ENCLOSING SAID FIBER MEANS IN A FIRST ION CHAMBER AND FORMING THEREWITH A FIRST CAPACITOR ADAPTED TO BE ELASTORTATICALLY CHARGED AND TO BE SUBSTANTIALLY DISCHARGED BY A SMALL AMOUNT OF RADIATION IMPINGING THEREUPON, SAID FIBER MEANS INDICATING BY ITS POSITION THE EXTENT OF SAID DISCHARGE, SAID TUBE MEANS HAVING THEREIN A SECOND ION CHAMBER WITHIN WHICH IS A LARGE SECOND SAID SECOND ION CHAMBER THEREBY BEING ADAPTED TO BE SAID SECOND ION CHAMBER THEREBY HEING ADAPTED TO BE ELECROSTACIALLY CHARGED AND TO BE SUBSTANTIALLY DISCHARGED BY A LARGE AMOUNT OF RADIATION, SWITCH MEANS FOR SELECTIVELY CONNECTING SAID FIRST AND SECOND CAPACITORR IN PARALLEL WITH ONE ANOTHER, SAID SWAITCH MEANS COMPRISING A FLEXIBLE CONDUCTOR CONNECTED TO THE OTHER END OF SAID SECOND CAPACITOR AND SELECTIVELY ADAPTED TO CONTACT SAIDW FIBER MEANS, SAID FIBER MEANS BEING SUPPORTED FROM AN INSULATOR WITHIN SAID TUBE MEANS AND HAVING AN EXTENSION IN JUXTAPOSITION THE CONTACT PORTION OF SAID FLEXIBLE CONDUCTOR, AND MEANS INCLUDED WITHIN SAID TUBE FOR OPTICALLY MAGNIFYING ANY MOVEMENT OF SAID FIBER MEANS SO AS TO MAKE THE MOVEMENT MORE READILY VISIVLE.
References Cited (Backward Citations)
US2473542A
Cited
US2643343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |