Patent US2745658A successfully refreshed from Google Patents.
US2745658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for bringing coil springs to test and relieving strains therein while under load
Assignee: Individual
•
Filing: 1950-06-23
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Granted: 1956-05-15
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Expires: 1970-06-23
Abstract
No abstract record available.
Inventors
- 👤 Frank W Gaskins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:29
CPC Classifications
G; G01; G01N; G01N3/00; C; C21; C21D; C21D9/00; C21D9/02; G01N2203/00; G01N2203/02; G01N2203/026; G01N2203/0288; G01N2203/0292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1274919A
Cited
US1321530A
Cited
US1355521A
Cited
US1334663A
Cited
US1570815A
Cited
US1978219A
Cited
US2261878A
Cited
US2666723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |