US2528918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexure testing apparatus
Assignee: Individual
•
Filing: 1947-05-24
•
Granted: 1950-11-07
•
Expires: 1967-05-24
Abstract
No abstract record available.
Inventors
- 👤 Stanius Godfrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:39
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1573865A
Cited
GB185253A
Cited
US1703928A
Cited
US1786138A
Cited
US2030418A
Cited
US2060834A
Cited
US2049235A
Cited
US2063275A
Cited
US2093497A
Cited
US2426583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |