US3104399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid lifts
Assignee: INVALID WALKER AND WHEEL CHAIR CO
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Filing: 1961-11-06
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Granted: 1963-09-24
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Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 Henry L Dalton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:41
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1001; A61G7/1003; A61G7/1013; A61G7/1017; A61G7/104; A61G7/1044; A61G7/1046; A61G7/1049; A61G7/1051; A61G7/1073; A61G7/1076; B; B66; B66C; B66C23/00; B66C23/18; B66C23/36; B66C23/48; A61G2200/00; A61G2200/30; A61G2200/34; A61G7/1061
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
AN INVALID LIFT COMPRISING, IN COMBINATION, A MOVABLE BASE CARRYING A LIFT MECHANISM, A U-SHAPED MOUNTING FRAME FOR STRADDLING THE SIDE OF A BATH TUB AND INCLUDING MEANS FOR ATTACHING SAID FRAME THERETO, AND MEANS FOR CONNECTING SAID BASE TO SAID FRAME COMPRISING A VERTICALLY DISPOSED TRACK ON SAID FRAME AND A TUBULAR MEMBER ADJUSTABLY MOUNTED ON SAID TRACK, SAID CONNECTION MEANS ALSO INCLUDING AN APERTURE PLATE CARRIED BY SAID BASE FOR MOVEMENT THEREWITH TO A POSITION OF ALIGNMENT OF THE APERTURE IN SAID PLATE WITH SAID TUBULAR MEMBER, SAID CONNECTION MEANS FURTHER INCLUDING A LOCKING PIN ENGAGEABLE WITH SAID PLATE AND TUBULAR MEMBER WHEN IN ALIGNED RELATIVE POSITION TO THEREBY FIRMLY FASTEN SAID BASE TO SAID BATH TUB.
Claim 2
Dependent Claim
119 words
AN INVALID LIFT COMPRISING, IN COMBINATION, A MOVABLE BASE CARRYING A LIFT MECHANISM, A U-SHAPED MOUNTING FRAME FOR STRADDLING THE SIDE OF A BATH TUB AND INCLUDING MEANS FOR ATTACHING SAID FRAME THERETO, AND MEANS FOR CONNECTING SAID BASE TO SAID FRAME COMPRISING A VERTICALLY DISPOSED TRACK ON SAID FRAME AND A TUBULAR MEMBER ADJUSTABLY MOUNTED ON SAID TRACK, SAID CONNECTION MEANS ALSO INCLUDING AN APERTURE PLATE CARRIED BY SAID BASE FOR MOVEMENT THEREWITH TO A POSITION OF ALIGNMENT OF THE APERTURE IN SAID PLATE WITH SAID TUBULAR MEMBER, SAID CONNECTION MEANS FURTHER INCLUDING A LOCKING PIN ENGAGEABLE WITH SAID PLATE AND TUBULAR MEMBER WHEN IN ALIGNED RELATIVE POSITION TO THEREBY FIRMLY FASTEN SAID BASE TO SAID BATH TUB.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |