US3484877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cantilevered transfer support for wheelchairs and wheelchair incorporating the same
Assignee: Individual
•
Filing: 1967-12-18
•
Granted: 1969-12-23
•
Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 Edward A Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:30
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1025; A61G7/103; A61G5/00; A61G5/10; A61G7/104; A61G7/1046; A61G2200/00; A61G2200/30; A61G2200/34; A61G5/1005; A61G5/101
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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |