Patent US2834401A successfully refreshed from Google Patents.
US2834401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary chair
Assignee: Individual
•
Filing: 1957-03-08
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Granted: 1958-05-13
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Expires: 1977-03-08
Abstract
No abstract record available.
Inventors
- 👤 Tanner Troy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:26
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/20; A47C3/26; A61; A61G; A61G15/00; A61G15/10; A61G15/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US638755A
Cited
US836397A
Cited
US829469A
Cited
US2056870A
Cited
US2515527A
Cited
US2650371A
Cited
DK60879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |