Patent US4679300A successfully refreshed from Google Patents.
Patent US3353276A successfully refreshed from Google Patents.
US3353276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waviness tester for cylindrical surfaces of parts such as bearing face grooves
Assignee: Individual
•
Filing: 1966-07-13
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Granted: 1967-11-21
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Expires: 1986-07-13
Abstract
No abstract record available.
Inventors
- 👤 Saimanov Anatoly Nicolaevich
- 👤 Sovkin Vasily Fedorovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:26
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/34; G01B7/345
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
AN INSTRUMENT FOR DETERMINING THE WAVINESS OF CYLINDRICAL SURFACES OF PARTS, PARTICULARLY OF GROOVES OF BALL BEARING RINGS, COMPRISING A BASE, MEANS FOR FIXING AND ROTATING THE PART TO BE CHECKED MOUNTED ON THE BASE, A BRACKET, A MEASURING HEAD ADAPTED TO BE FREELY MOUNTED ON THE SURFACE TO BE CHECKED, SAID MEASURING HEAD INCLUDING A PLURALITY OF SUPPORTING MEMBERS SECURED TO THE BRACKET WITH SAID SUPPORTING MEMBERS BEING MAINTAINED IN CONTACT WITH THE SURFACE TO BE CHECKED, A FEELER FREELY MOUNTED IN ONE OF SAID SUPPORTING MEMBERS IN PERMANENT CONTACT WITH THE SURFACE TO BE CHECKED, A PICKUP ATTACHED TO SAID BRACKET AND OPERABLY CONNECTED TO SAID FEELER, AND MEANS FIXEDLY MOUNTED ON SAID BASE COAXIALLY WITH SAID FEELER AND COOPERABLE WITH SAID BRACKET FOR RESTRAINING SAID MEASURING HEAD FROM TURNING MOVEMENT DURING ROTATION OF THE PART.
Claim 2
Dependent Claim
138 words
AN INSTRUMENT FOR DETERMINING THE WAVINESS OF CYLINDRICAL SURFACES OF PARTS, PARTICULARLY OF GROOVES OF BALL BEARING RINGS, COMPRISING A BASE, MEANS FOR FIXING AND ROTATING THE PART TO BE CHECKED MOUNTED ON THE BASE, A BRACKET, A MEASURING HEAD ADAPTED TO BE FREELY MOUNTED ON THE SURFACE TO BE CHECKED, SAID MEASURING HEAD INCLUDING A PLURALITY OF SUPPORTING MEMBERS SECURED TO THE BRACKET WITH SAID SUPPORTING MEMBERS BEING MAINTAINED IN CONTACT WITH THE SURFACE TO BE CHECKED, A FEELER FREELY MOUNTED IN ONE OF SAID SUPPORTING MEMBERS IN PERMANENT CONTACT WITH THE SURFACE TO BE CHECKED, A PICKUP ATTACHED TO SAID BRACKET AND OPERABLY CONNECTED TO SAID FEELER, AND MEANS FIXEDLY MOUNTED ON SAID BASE COAXIALLY WITH SAID FEELER AND COOPERABLE WITH SAID BRACKET FOR RESTRAINING SAID MEASURING HEAD FROM TURNING MOVEMENT DURING ROTATION OF THE PART.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |