Patent US3270574A successfully refreshed from Google Patents.
US3270574A
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Adjustable base unit for invalid lifts
Assignee: PORTO-LIFT MANUFACTURING Co A CORP OF MI
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Filing: 1965-05-10
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Granted: 1966-09-06
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Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 Gilbert I Stewart
- 👤 Kenneth H Teeter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:56
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1013; A61G7/1017; A61G7/104; A61G7/1046; A61G7/1063; A61G7/1067; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18792; Y10T74/18856; Y10T74/1888; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19828; Y10T74/19851; Y10T74/19856; Y10T74/20; Y10T74/20012; Y10T74/20189; Y10T74/20576; Y10T74/20888
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN AN ADJUSTABLE BASE UNIT FOR INVALID LIFTS, THE COMBINATION COMPRISING: (A) A BASE UNIT FRAME FOR INVALID LIFTS; (B) A PAIR OF SPACED-APART POST PIVOT MEMBERS PROVIDED ON SAID BASE UNIT FRAME, EACH OF SAID POST PIVOT MEMBERS PROVIDED WITH A GEAR SEGMENT ARM EXTENDING THEREFROM, SAID GEAR SEGMENT ARMS SPACED APART FROM BUT EXTENDING TOWARD EACH OTHER; (C) AN OUTRIGGER LEG SUPPORT MEMBER MOUNTED ON EACH OF SAID POST PIVOT MEMBERS FOR SELECTIVE PIVOTAL MOVEMENT TOWARD AND AWAY FROM EACH OTHER, EACH OF SAID OUTRIGGER LEG SUPPORT MEMBERS EXTENDING FROM SAID POST PIVOT MEMBER AWAY FROM SAID GEAR SEGMENT ARMS;
Claim 2
Dependent Claim
102 words
IN AN ADJUSTABLE BASE UNIT FOR INVALID LIFTS, THE COMBINATION COMPRISING: (A) A BASE UNIT FRAME FOR INVALID LIFTS; (B) A PAIR OF SPACED-APART POST PIVOT MEMBERS PROVIDED ON SAID BASE UNIT FRAME, EACH OF SAID POST PIVOT MEMBERS PROVIDED WITH A GEAR SEGMENT ARM EXTENDING THEREFROM, SAID GEAR SEGMENT ARMS SPACED APART FROM BUT EXTENDING TOWARD EACH OTHER; (C) AN OUTRIGGER LEG SUPPORT MEMBER MOUNTED ON EACH OF SAID POST PIVOT MEMBERS FOR SELECTIVE PIVOTAL MOVEMENT TOWARD AND AWAY FROM EACH OTHER, EACH OF SAID OUTRIGGER LEG SUPPORT MEMBERS EXTENDING FROM SAID POST PIVOT MEMBER AWAY FROM SAID GEAR SEGMENT ARMS;
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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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |