Patent US3334424A successfully refreshed from Google Patents.
US3334424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for use in testing reaction time
Assignee: Individual
•
Filing: 1965-11-15
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Granted: 1967-08-08
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Expires: 1985-11-15
Abstract
No abstract record available.
Inventors
- 👤 Pond John Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:28
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/16; A61B5/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A DEVICE FOR USE IN TESTING REACTION TIME, COMPRISING A RESERVOIR FOR CONTAINING LIQUID AND DISPOSED IN THE REGION OF LOWER END OF SAID DEVICE, A TRANSPARENT, NARROW-BORE TUBE EXTENDING UPWARDLY AWAY FROM SAID RESERVOIR, CONNECTING MEANS CONNECTING SAID RESERVOIR TO THE UPPER END OF SAID TUBE AND SERVING TO LEAD SAID LIQUID TOWARDS SAID UPPER END ON INVERSION OF SAID DEVICE, RAPIDLY CLOSABLE VALVE MEANS OPERABLE TO STOP RAPIDLY FLOW OF SAID LIQUID IN SAID TUBE ON RIGHTING OF SAID DEVICE FOLLOWING INVERSION THEREOF, AND RETURN MEANS CONNECTING SAID TUBE TO SAID RESERVOIR FOR RETURNING SAID LIQUID FROM SAID TUBE TO SAID RESERVOIR.
Claim 2
Independent Claim
104 words
A DEVICE FOR USE IN TESTING REACTION TIME, COMPRISING A RESERVOIR FOR CONTAINING LIQUID AND DISPOSED IN THE REGION OF LOWER END OF SAID DEVICE, A TRANSPARENT, NARROW-BORE TUBE EXTENDING UPWARDLY AWAY FROM SAID RESERVOIR, CONNECTING MEANS CONNECTING SAID RESERVOIR TO THE UPPER END OF SAID TUBE AND SERVING TO LEAD SAID LIQUID TOWARDS SAID UPPER END ON INVERSION OF SAID DEVICE, RAPIDLY CLOSABLE VALVE MEANS OPERABLE TO STOP RAPIDLY FLOW OF SAID LIQUID IN SAID TUBE ON RIGHTING OF SAID DEVICE FOLLOWING INVERSION THEREOF, AND RETURN MEANS CONNECTING SAID TUBE TO SAID RESERVOIR FOR RETURNING SAID LIQUID FROM SAID TUBE TO SAID RESERVOIR.
References Cited (Backward Citations)
US2995371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |