US2577944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for testing tensile, compressive, bending, shearing, etc., strength of metals or other materials
Assignee: Individual
•
Filing: 1946-09-13
•
Granted: 1951-12-11
•
Expires: 1966-09-13
Abstract
No abstract record available.
Inventors
- 👤 Arthuis Albert Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:33
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848468A
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US1253438A
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US1768512A
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US1755849A
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US1808244A
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US1931925A
Cited
US2018593A
Cited
US2055787A
Cited
US2198040A
Cited
US2295249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |