US3107299A
Expired / Lapsed
US
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Apparatus for calibrating radiation measuring devices
Assignee: Individual
•
Filing: 1962-02-02
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Granted: 1963-10-15
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Expires: 1982-02-02
Abstract
No abstract record available.
Inventors
- 👤 Martin H Jachter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:22
CPC Classifications
G; G01; G01T; G01T1/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
131 words
APPARATUS FOR CALIBRATING RADIATION MEASURING DEVICES COMPRISING A SHIELDED ASSAYED BETA RAY SOURCE, A SHIELDED HOUSING TO RECEIVE SAID DEVICES, MEANS TO OPEN AND CLOSE SAID HOUSING, A CHANNEL BETWEEN SAID SOURCE AND SAID HOUSING, A VALVE TO CONTROL THE FLOW OF ENERGY IN SAID CHANNEL, AUTOMATIC MEANS TO CLOSE SAID VALVE WHEN SAID HOUSING IS OPEN, TIMING MEANS FOR DETERMINATING THE PERIOD OF IRRADIATION OF THE DEVICES, MEANS ACTUATED BY THE OPENING OF SAID VALVE OPERABLE TO START SAID TIMING MEANS, MEANS CONNECTED TO SAID TIMING MEANS OPERABLE TO CLOSE SAID VALVE AT THE END OF THE MEASURED IRRADIATION PERIOD, MEANS IN SAID HOUSING FOR HOLDING A PLURALITY OF DEVICES TO BE CALIBRATED AND ELECTRIC POWER MEANS FOR MOVING SAID HOLDERS AND DEVICES IN A CIRCUITOUS PATH WITHIN SAID HOUSING.
References Cited (Backward Citations)
US2967942A
Cited
US3064130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |