US3345862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonance vibration apparatus for testing articles
Assignee: Individual
•
Filing: 1964-01-21
•
Granted: 1967-10-10
•
Expires: 1984-01-21
Abstract
No abstract record available.
Inventors
- 👤 Robert G Rowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:53
CPC Classifications
G; G01; G01H; G01H13/00; G01M; G01M7/00; G01M7/02; G01M7/022
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
85 words
AN APPARATUS FOR TESTING ARTICLES COMPRISING MEANS TO SELF-EXCITE OSCILLATIONS IN SAID ARTICLES AT NATURAL FREQUENCIES OF RESONNCE VIBRATION THEREOF, MEANS TO DETECT OSCILLATIONS OF SAID ARTICLES, MEANS TO SIGNAL PASSAGE OF A PREDETERMINED TIME, MEANS FOR ACTUATING SAID SELFEXCITING MEANS AND SAID TIME-SIGNALLING MEANS, MEANS TO MEASURE THE FREQUENCY OF OSCILLATION OF SAID ARTICLES, SAID FREQUENCY-MEASURING MEANS AND SAID TIME-SIGNALLING MEANS BEING CONNECTED TO DETECTOR, AND OSCILLATION-DETECTING MEANS DISCONNECTING SAID TIME-SIGNALLING MEANS AND CONNECTING SAID FREQUENCY-MEASURING MEANS PROVIDED SAID OSCILLATIONS EXCEED A PREDETERMINED AMPLITUDE.
Claim 2
Independent Claim
85 words
AN APPARATUS FOR TESTING ARTICLES COMPRISING MEANS TO SELF-EXCITE OSCILLATIONS IN SAID ARTICLES AT NATURAL FREQUENCIES OF RESONNCE VIBRATION THEREOF, MEANS TO DETECT OSCILLATIONS OF SAID ARTICLES, MEANS TO SIGNAL PASSAGE OF A PREDETERMINED TIME, MEANS FOR ACTUATING SAID SELFEXCITING MEANS AND SAID TIME-SIGNALLING MEANS, MEANS TO MEASURE THE FREQUENCY OF OSCILLATION OF SAID ARTICLES, SAID FREQUENCY-MEASURING MEANS AND SAID TIME-SIGNALLING MEANS BEING CONNECTED TO DETECTOR, AND OSCILLATION-DETECTING MEANS DISCONNECTING SAID TIME-SIGNALLING MEANS AND CONNECTING SAID FREQUENCY-MEASURING MEANS PROVIDED SAID OSCILLATIONS EXCEED A PREDETERMINED AMPLITUDE.
Claim 3
Independent Claim
87 words
AN APPARATUS RESPONSIVE TO ELECTRIC SIGNAL FREQUENCIES COMPRISING FIRST AND SECOND PREDETERMINED DIGITAL COUNTING CHANNELS, SAID CHANNELS EACH INCLUDING INPUTS AND OUTPUTS, A SERIES OF DECADE COUNTERS, MEANS TO TIME THE COUNTING PERIOD AND MEANS TO PRESET DIFFERENT PREDETERMINED FREQUENCIES ABOVE WHICH RESPECTIVE CHANNELS PRODUCE AN OUTPUT SIGNAL, A GATE ACCOMMODATING THREE INPUT SIGNALS AND HAVING TWO OUTPUT TERMINALS, A SOURCE OF POWER CONNECTED TO A FIRST INPUT OF SAID GATE, SAID GATE CONNECTING THE SOURCE OF POWER TO ONE OF SAID TWO OUTPUT TERMINALS UPON PRES-
Claim 4
Independent Claim
87 words
AN APPARATUS RESPONSIVE TO ELECTRIC SIGNAL FREQUENCIES COMPRISING FIRST AND SECOND PREDETERMINED DIGITAL COUNTING CHANNELS, SAID CHANNELS EACH INCLUDING INPUTS AND OUTPUTS, A SERIES OF DECADE COUNTERS, MEANS TO TIME THE COUNTING PERIOD AND MEANS TO PRESET DIFFERENT PREDETERMINED FREQUENCIES ABOVE WHICH RESPECTIVE CHANNELS PRODUCE AN OUTPUT SIGNAL, A GATE ACCOMMODATING THREE INPUT SIGNALS AND HAVING TWO OUTPUT TERMINALS, A SOURCE OF POWER CONNECTED TO A FIRST INPUT OF SAID GATE, SAID GATE CONNECTING THE SOURCE OF POWER TO ONE OF SAID TWO OUTPUT TERMINALS UPON PRES-
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |