US3283566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material hardness tester
Assignee: Individual
•
Filing: 1964-01-29
•
Granted: 1966-11-08
•
Expires: 1984-01-29
Abstract
No abstract record available.
Inventors
- 👤 Dale H Fietz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:39
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A TESTING DEVICE FOR USE IN DETERMINING THE HARDNESS OF A MATERIAL INTERNALLY OF THE MATERIAL USING A SMALL BORE HOLE THEREIN COMPRISING A GUIDE TUBE HAVING FLANGE MEANS ADJACENT ONE END ARRANGED TO SEAT ON THE OUTER SURFACE OF THE MATERIAL AND LIMIT PENETRATION OF SAID GUIDE TUBE IN A BORE HOLE; A SUPPORT BODY RECIPROCABLY TELESCOPED IN SAID GUIDE TUBE AND TERMINATING ADJACENT SAID FLANGE IN A PORTION EXTENDING BEYOND SAID FLANGE ON THE SIDE OPPOSITE SAID GUIDE TUBE; LATERALLY EXTENDABLE PENETRATING MEANS MOVABLE OUTWARD FROM SAID GUIDE TUBE IN OPPOSED RELATION THEREFROM FOR CONTACTING THE WALL OF BORE IN THE MATERIAL; MOTION TRANSLATING MEANS DEPENDING FROM SAID SUPPORT BODY AND CONNECTED WITH SAID LATERALLY EXTENDABLE PENETRATING MEANS FOR MOVING SAID PENETRATING MEANS INTO THE WALL OF THE MATERIAL ON OUTWARD MOVEMENT OF THE SUP-
Claim 2
Dependent Claim
137 words
A TESTING DEVICE FOR USE IN DETERMINING THE HARDNESS OF A MATERIAL INTERNALLY OF THE MATERIAL USING A SMALL BORE HOLE THEREIN COMPRISING A GUIDE TUBE HAVING FLANGE MEANS ADJACENT ONE END ARRANGED TO SEAT ON THE OUTER SURFACE OF THE MATERIAL AND LIMIT PENETRATION OF SAID GUIDE TUBE IN A BORE HOLE; A SUPPORT BODY RECIPROCABLY TELESCOPED IN SAID GUIDE TUBE AND TERMINATING ADJACENT SAID FLANGE IN A PORTION EXTENDING BEYOND SAID FLANGE ON THE SIDE OPPOSITE SAID GUIDE TUBE; LATERALLY EXTENDABLE PENETRATING MEANS MOVABLE OUTWARD FROM SAID GUIDE TUBE IN OPPOSED RELATION THEREFROM FOR CONTACTING THE WALL OF BORE IN THE MATERIAL; MOTION TRANSLATING MEANS DEPENDING FROM SAID SUPPORT BODY AND CONNECTED WITH SAID LATERALLY EXTENDABLE PENETRATING MEANS FOR MOVING SAID PENETRATING MEANS INTO THE WALL OF THE MATERIAL ON OUTWARD MOVEMENT OF THE SUP-
References Cited (Backward Citations)
US2600029A
Cited
FR983514A
Cited
GB704290A
Cited
US2898761A
Cited
US2943528A
Cited
US3133468A
Cited
US3161174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |