US2673590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertically adjustable pedestal chair
Assignee: Individual
•
Filing: 1950-07-24
•
Granted: 1954-03-30
•
Expires: 1970-07-24
Abstract
No abstract record available.
Inventors
- 👤 Bertis F Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:12
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/20; A47C3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US836303A
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US1606840A
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US1578784A
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US1674081A
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US1691035A
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US1997486A
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US2454057A
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US2392477A
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US2432245A
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US2529780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |