Patent US3188471A successfully refreshed from Google Patents.
US3188471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coin identification apparatus utilizing radiation bombardment
Assignee: Laboratory For Electronics Inc
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Filing: 1961-01-23
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Granted: 1965-06-08
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Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Hansen Carl Woodrow
- 👤 Peter J Clack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:50
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/20; G01N23/20083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
APPARATUS FOR IDENTIFYING COINS COMPRISING, MEANS DEFINING A PATH OF TRAVEL FOR SAID COINS; A RADIOACTIVE SOURCE DISPOSED IN FIXED RELATIONSHIP TO SAID PATH, SAID RADIOACTIVE SOURCE BEING ADAPTED TO EMIT A BEAM OF BETA RAYS AND X-RAYS IMPINGING UPON SAID COIN WITHIN SAID PATH; A BETA RAY DETECTOR DISPOSED IN A MANNER TO RECEIVE BETA RAYS BACKSCATTERED FROM SAID COIN; A SHIELDING ELEMENT ADAPTED TO SHIELD SAID DETECTOR FROM NON-SCATTERED BETA RAYS FROM SAID SOURCE; AN X-RAY DETECTOR DISPOSED TO RECEIVE X-RAYS FROM SAID SOURCE TRANSMITTED THROUGH SAID COINS, MEANS RESPONSIVE TO THE OUTPUTS OF SAID BETA RAY AND SAID X-RAY DETECTORS PROVIDING AN OUTPUT INDICATIVE OF THE TYPE OF SAID COIN.
Claim 2
Dependent Claim
113 words
APPARATUS FOR IDENTIFYING COINS COMPRISING, MEANS DEFINING A PATH OF TRAVEL FOR SAID COINS; A RADIOACTIVE SOURCE DISPOSED IN FIXED RELATIONSHIP TO SAID PATH, SAID RADIOACTIVE SOURCE BEING ADAPTED TO EMIT A BEAM OF BETA RAYS AND X-RAYS IMPINGING UPON SAID COIN WITHIN SAID PATH; A BETA RAY DETECTOR DISPOSED IN A MANNER TO RECEIVE BETA RAYS BACKSCATTERED FROM SAID COIN; A SHIELDING ELEMENT ADAPTED TO SHIELD SAID DETECTOR FROM NON-SCATTERED BETA RAYS FROM SAID SOURCE; AN X-RAY DETECTOR DISPOSED TO RECEIVE X-RAYS FROM SAID SOURCE TRANSMITTED THROUGH SAID COINS, MEANS RESPONSIVE TO THE OUTPUTS OF SAID BETA RAY AND SAID X-RAY DETECTORS PROVIDING AN OUTPUT INDICATIVE OF THE TYPE OF SAID COIN.
References Cited (Backward Citations)
US2093590A
Cited
US2951159A
Cited
US2977478A
Cited
US2884535A
Cited
US2964631A
Cited
US3092724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |