Patent US2602489A successfully refreshed from Google Patents.
US2602489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable chair
Assignee: Individual
•
Filing: 1947-04-01
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Granted: 1952-07-08
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Expires: 1967-04-01
Abstract
No abstract record available.
Inventors
- 👤 John C Holten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:16
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/40; A47C7/44; A47C7/443; A47C1/00; A47C1/02; A47C1/022; A47C1/024; A47C1/0246; A47C3/00; A47C3/18; A47C7/441
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) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |