Patent US2560135A successfully refreshed from Google Patents.
US2560135A
Expired / Lapsed
US
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Testing apparatus for indicating and recording elongation
Assignee: Goodrich Corp
•
Filing: 1947-05-02
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Granted: 1951-07-10
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Expires: 1967-05-02
Abstract
No abstract record available.
Inventors
- 👤 Shearer Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:49
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US399549A
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US1125236A
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CH87779A
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US1768512A
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US1656246A
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US1679751A
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US1985576A
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US2244864A
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FR883333A
Cited
US2375600A
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US2358769A
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US2455285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |