US2644332A
Expired / Lapsed
US
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Weight distribution testing apparatus
Assignee: ROBINSON FURNITURE Co
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Filing: 1951-02-24
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Granted: 1953-07-07
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Expires: 1971-02-24
Abstract
No abstract record available.
Inventors
- 👤 Sanford S Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:25
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/68; A61B5/6887; A61B5/103; A61B5/1036; A61B5/6892; G; G01; G01G; G01G19/00; G01G19/44; G01G19/445; A61B2562/00; A61B2562/02; A61B2562/0247; A61B2562/04; A61B2562/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |