Patent US2620657A successfully refreshed from Google Patents.
US2620657A
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US
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Force measuring apparatus
Assignee: Tinius Olsen Testing Machine Co
•
Filing: 1947-02-26
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Granted: 1952-12-09
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Expires: 1967-02-26
Abstract
No abstract record available.
Inventors
- 👤 Jr John R Stovall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:36
CPC Classifications
G; G01; G01G; G01G7/00; G01G3/00; G01G3/12; G01L; G01L1/00; G01L1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1443927A
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US1827560A
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US2087885A
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US2025928A
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US2046005A
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US2126157A
Cited
US2190506A
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US2285892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |