US2866495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid folding walker and chair
Assignee: INVALID WALKER AND WHEEL CHAIR CO
•
Filing: 1956-06-05
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Granted: 1958-12-30
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Expires: 1976-06-05
Abstract
No abstract record available.
Inventors
- 👤 James L Diehl
- 👤 Bentz J Horne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:59
CPC Classifications
A; A61; A61H; A61H3/00; A61H3/04; A61G; A61G5/00; A61G5/08; A61G5/0808; A61G5/0816; A61G5/0891; A61H2201/00; A61H2201/01; A61H2201/0161; A61H2201/16; A61H2201/1602; A61H2201/1628; A61H2201/1633; Y; Y10; Y10S; Y10S297/00; Y10S297/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733754A
Cited
US2165700A
Cited
GB459091A
Cited
US2362466A
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US2374182A
Cited
US2607926A
Cited
US2654416A
Cited
US2798533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |