Patent US3479086A successfully refreshed from Google Patents.
US3479086A
Expired / Lapsed
US
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Chair for physically handicapped persons
Assignee: Individual
•
Filing: 1967-12-04
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Granted: 1969-11-18
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Expires: 1987-12-04
Abstract
No abstract record available.
Inventors
- 👤 Vernon Arthur Sheridan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:51
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/10; A61G5/14; Y; Y10; Y10S; Y10S297/00; Y10S297/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2053852A
Cited
US2442303A
Cited
US2641305A
Cited
US3138402A
Cited
US3218102A
Cited
US3250569A
Cited
US3343871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |