Patent US2650647A successfully refreshed from Google Patents.
US2650647A
Expired / Lapsed
US
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Adjustable seat assembly
Assignee: Individual
•
Filing: 1950-09-05
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Granted: 1953-09-01
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Expires: 1970-09-05
Abstract
No abstract record available.
Inventors
- 👤 Edgar W Macknight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:48
CPC Classifications
A; A61; A61G; A61G15/00; A61G15/02; A61G15/08; A47; A47C; A47C1/00; A47C1/04; A47C1/06; A47C1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US604417A
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US1322551A
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US972472A
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US1147896A
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US1712927A
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US2087932A
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US2345163A
Cited
US2297845A
Cited
US2533363A
Cited
US2586120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |