Patent US3341947A successfully refreshed from Google Patents.
US3341947A
Expired / Lapsed
US
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Apparatus for measuring diameters
Assignee: George Richards and Co Ltd
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Filing: 1965-03-31
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Granted: 1967-09-19
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Expires: 1985-03-31
Abstract
No abstract record available.
Inventors
- 👤 Berryman Walter Pascoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:49
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/12; G01B5/00; G01B5/08; G01B7/28; Y; Y10; Y10S; Y10S408/00; Y10S408/705; Y10T; Y10T408/00; Y10T408/05; Y10T408/21; Y10T408/55; Y10T408/557; Y10T408/558; Y10T408/5583; Y10T408/5586
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A MACHINE TOOL FOR MACHINING A BORE AND APPARATUS FOR MEASURING THE DIAMETER OF THE BORE DURING MACHINING COMPRISING A WHEEL CARRIED ON A TOOL BAR FOR RUNNING AROUND THE CIRCUMFERENCE OF THE CYLINDRICAL SURFACE OF THE BORE, AND ELECTRICAL MEANS ARRANGED TO SENSE THE NUMBER OF REVOLUTIONS AND PART REVOLUTIONS OF THE WHEEL.
Claim 2
Dependent Claim
54 words
A MACHINE TOOL FOR MACHINING A BORE AND APPARATUS FOR MEASURING THE DIAMETER OF THE BORE DURING MACHINING COMPRISING A WHEEL CARRIED ON A TOOL BAR FOR RUNNING AROUND THE CIRCUMFERENCE OF THE CYLINDRICAL SURFACE OF THE BORE, AND ELECTRICAL MEANS ARRANGED TO SENSE THE NUMBER OF REVOLUTIONS AND PART REVOLUTIONS OF THE WHEEL.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |