Patent US3380085A successfully refreshed from Google Patents.
US3380085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-purpose stretcher chair
Assignee: Ferno Washington Inc
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Filing: 1966-10-24
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Granted: 1968-04-30
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Expires: 1986-10-24
Abstract
No abstract record available.
Inventors
- 👤 Richard H Ferneau
- 👤 George A Selig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:33
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1013; A61G7/1019; A61G1/00; A61G1/02; A61G1/0206; A61G1/0212; A61G1/0237; A61G5/00; A61G5/006; A61G7/104; A61G7/1046; A61G1/017
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) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |