US3371419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Out-of-roundness and diameter gage
Assignee: THATCHER GLASS Corp A CORP OF DE
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Filing: 1962-10-15
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Granted: 1968-03-05
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 Howard E Banks
- 👤 Curtis A Hartman
- 👤 Robert S Hallstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:26
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/28; G01B7/282; G01B7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
APPARATUS FOR INSPECTING THE PERIPHERAL CONFIGURATION OF CIRCULAR OBJECTS FOR OUT-OF-ROUND CONDITION COMPRISING MEANS FOR TRANSLATING THE PERIPHERAL CONFIGURATION OF A SAID OBJECT INTO AN ELECTRICAL SIGNAL WHICH HAS A CHARACTERISTIC THAT VARIES ACCORDING TO SAID OUT-OF-ROUND CONDITION AND ATTAINS A MAXIMUM EXCURSION WHILE SAID INSPECTING IS TAKING PLACE, AND MEANS FOR OBTAINING A CONTINUOUS FLUCTUATING INDICATION REPRESENTING THE DIFFERENCE BETWEEN THE MAXIMUM EXCURSION DERIVED DURING SAID INSPECTION PROCESS AND THE INSTANT VALUES OF THE SAID SIGNAL CHARACTERISTIC REGARDLESS OF THE DIAMETER OF THE SAID OBJECT BEING INSPECTED.
Claim 2
Dependent Claim
88 words
APPARATUS FOR INSPECTING THE PERIPHERAL CONFIGURATION OF CIRCULAR OBJECTS FOR OUT-OF-ROUND CONDITION COMPRISING MEANS FOR TRANSLATING THE PERIPHERAL CONFIGURATION OF A SAID OBJECT INTO AN ELECTRICAL SIGNAL WHICH HAS A CHARACTERISTIC THAT VARIES ACCORDING TO SAID OUT-OF-ROUND CONDITION AND ATTAINS A MAXIMUM EXCURSION WHILE SAID INSPECTING IS TAKING PLACE, AND MEANS FOR OBTAINING A CONTINUOUS FLUCTUATING INDICATION REPRESENTING THE DIFFERENCE BETWEEN THE MAXIMUM EXCURSION DERIVED DURING SAID INSPECTION PROCESS AND THE INSTANT VALUES OF THE SAID SIGNAL CHARACTERISTIC REGARDLESS OF THE DIAMETER OF THE SAID OBJECT BEING INSPECTED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |