US3464754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orthopedic chair
Assignee: REX STROLL O CHAIR CO
•
Filing: 1967-01-17
•
Granted: 1969-09-02
•
Expires: 1987-01-17
Abstract
No abstract record available.
Inventors
- 👤 Louis Gottfried
- 👤 Jacob Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:49
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/40; A47C7/46; A47C7/462; A61; A61G; A61G5/00; A61G5/10; A61G5/1091; A61G5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US855656A
Cited
US2756809A
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US2991124A
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US3112137A
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US3069202A
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US3215470A
Cited
US3197255A
Cited
US3288525A
Cited
US3326601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |