Patent US3071963A successfully refreshed from Google Patents.
US3071963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of measuring stresses in the interior of a material
Assignee: Svenska AB Gasaccumulator
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Filing: 1959-09-16
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Granted: 1963-01-08
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Expires: 1979-09-16
Abstract
No abstract record available.
Inventors
- 👤 Gunnert Anders Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:32
CPC Classifications
G; G01; G01N; G01N3/00; G01B; G01B5/00; G01B5/30; G01N2203/00; G01N2203/02; G01N2203/026; G01N2203/0296
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A METHOD OF MEASURING STRESS IN THE INTERIOR OF MATERIAL COMPRISING THE STEPS OF FORMING AT LEAST A PAIR OF SUBSTANTIALLY PARALLEL HOLES IN THE MATERIAL, AND MEASURING THE DISTANCE BETWEEN THESE HOLES AT A PLURALITY OF LEVELS BELOW THE SURFACE OF THE MATERIAL BOTH BEFORE AND AFTER
Claim 2
Independent Claim
48 words
A METHOD OF MEASURING STRESS IN THE INTERIOR OF MATERIAL COMPRISING THE STEPS OF FORMING AT LEAST A PAIR OF SUBSTANTIALLY PARALLEL HOLES IN THE MATERIAL, AND MEASURING THE DISTANCE BETWEEN THESE HOLES AT A PLURALITY OF LEVELS BELOW THE SURFACE OF THE MATERIAL BOTH BEFORE AND AFTER
References Cited (Backward Citations)
US2028514A
Cited
US2898761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |