US3272530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrier for invalids
Assignee: Individual
•
Filing: 1964-06-24
•
Granted: 1966-09-13
•
Expires: 1984-06-24
Abstract
No abstract record available.
Inventors
- 👤 Klassen John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:52
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1038
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
144 words
A CARRIER FOR INVALIDS COMPRISING A PAIR OF SPACED APART SIDE FRAME ASSEMBLIES, A PLURALITY OF CROSS MEMBERS JOINING THE SIDE FRAME PORTIONS THEREOF, THE SIDE FRAMES EACH COMPRISING A FRONT VERTICAL MEMBER, A LOWER HORIZONTAL MEMBER, AN INTERMEDIATE HORIZONTAL MEMBER, A TOP HAND RAIL MEMBER, MEANS TO JOIN SAID LOWER, INTERMEDIATE, AND TOP MEMBERS TOGETHER SO THAT THE MEMBERS COMPRISING EACH SIDE FRAME ASSEMBLY ALL LIE IN A COMMON PLANE, WHEEL MEANS ON SAID LOWER HORIZONTAL MEMBERS FOR SUPPORTING SAID CARRIER FOR MOVEMENT OVER A SUPPORTING SURFACE, A REMOVABLE SEAT POSITIONED ON AND EXTENDING BETWEEN SAID INTERMEDIATE HORIZONTAL MEMBERS OF EACH SIDE FRAME ADJACENT THE REAR PORTIONS THEREOF, A FOOT PLATFORM EXTENDING BETWEEN SAID LOWER HORIZONTAL MEMBERS, SAID FOOT PLATFORM BEING MOUNTED FOR LIMITED PIVOTAL MOVEMENT ABOUT AN AXIS ADJACENT THE FORWARD EDGE THEREOF AND RESILIENT MEANS URGING SAID PLATFORM TO A SUBSTANTIALLY
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |