Patent US3289219A successfully refreshed from Google Patents.
US3289219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined ambulance cart and rolling chair
Assignee: Individual
•
Filing: 1964-10-12
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Granted: 1966-12-06
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Expires: 1984-10-12
Abstract
No abstract record available.
Inventors
- 👤 Richard H Ferneau
- 👤 Charles A Willits
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:01
CPC Classifications
A; A61; A61G; A61G1/00; A61G1/04; A61G1/052; A61G1/056; A61G1/0565; A61G1/02; A61G1/0206; A61G1/0212; A61G1/0237; A61G1/025; A61G1/0262; A61G5/00; A61G5/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A CART COMPRISING, A THREE-SIDED, HORIZONTAL, RECTANGULAR FRAME, FOUR DOWNWARDLY EXTENDING LEGS PIVOTALLY MOUNTED ON THE FOUR CORNERS OF SAID FRAME, RELEASABLE MEANS NORMALLY BRACING SAID LEGS PERPENDICULAR TO SAID FRAME, MEANS FOR ACTUATING SAID RELEASABLE MEANS TO PERMIT SAID LEGS TO SWING GENERALLY PARALLEL TO SAID FRAME, A STRETCHER FRAME CONSTITUTED BY A LEG PANEL, A SEAT
Claim 2
Dependent Claim
58 words
A CART COMPRISING, A THREE-SIDED, HORIZONTAL, RECTANGULAR FRAME, FOUR DOWNWARDLY EXTENDING LEGS PIVOTALLY MOUNTED ON THE FOUR CORNERS OF SAID FRAME, RELEASABLE MEANS NORMALLY BRACING SAID LEGS PERPENDICULAR TO SAID FRAME, MEANS FOR ACTUATING SAID RELEASABLE MEANS TO PERMIT SAID LEGS TO SWING GENERALLY PARALLEL TO SAID FRAME, A STRETCHER FRAME CONSTITUTED BY A LEG PANEL, A SEAT
References Cited (Backward Citations)
US2747919A
Cited
US2877047A
Cited
US2841438A
Cited
US2877048A
Cited
US3039119A
Cited
US3147039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |