US2698047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable chair
Assignee: Individual
•
Filing: 1954-08-18
•
Granted: 1954-12-28
•
Expires: 1974-08-18
Abstract
No abstract record available.
Inventors
- 👤 Robert P Ralston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:53
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/04; A47C1/06; A47C1/02; A47C1/022; A47C1/024; A47C1/026; A47C1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US300538A
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US378433A
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US506200A
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US585913A
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US605974A
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US700779A
Cited
US1361446A
Cited
US1425325A
Cited
FR547128A
Cited
US1654455A
Cited
US1721027A
Cited
US2308714A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |