US3245090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid service chair
Assignee: Individual
•
Filing: 1964-04-22
•
Granted: 1966-04-12
•
Expires: 1984-04-22
Abstract
No abstract record available.
Inventors
- 👤 Sara M Slimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:43
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/10; A61G5/1002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A CHAIR DEVICE FOR SERVICING INVALIDS INCLUDING: (A) A FRAME; (B) A SEATING SURFACE ON THE FRAME DEFINING A PASSAGE DOWNWARDLY THERETHROUGH; (C) A FIRST RAMP SUPPORTED ON SAID FRAME IN VERTICAL SPACED RELATION BELOW SAID SEATING SURFACE, THE RAMP BEING INCLINED UPWARDLY TOWARD SAID PASSAGE; (D) A RAMP ENGAGING MEMBER PROVIDING A SUPPORT SURFFACE THEREON, SAID MEMBER BEING ARRANGED FOR SLIDING ENGAGEMENT ON SAID RAMP AND ARRANGED FOR POSITIONING THEREALONG WHEREBY SELECTED INVALID SERVICING DEVICES MAY BE MOVED INTO A FIRST POSITION TO ENTER AND CLOSE SAID PASSAGE AND A SECOND POSITION IN ALIGNED POSITION BELOW SAID PASSAGE.
Claim 2
Dependent Claim
99 words
A CHAIR DEVICE FOR SERVICING INVALIDS INCLUDING: (A) A FRAME; (B) A SEATING SURFACE ON THE FRAME DEFINING A PASSAGE DOWNWARDLY THERETHROUGH; (C) A FIRST RAMP SUPPORTED ON SAID FRAME IN VERTICAL SPACED RELATION BELOW SAID SEATING SURFACE, THE RAMP BEING INCLINED UPWARDLY TOWARD SAID PASSAGE; (D) A RAMP ENGAGING MEMBER PROVIDING A SUPPORT SURFFACE THEREON, SAID MEMBER BEING ARRANGED FOR SLIDING ENGAGEMENT ON SAID RAMP AND ARRANGED FOR POSITIONING THEREALONG WHEREBY SELECTED INVALID SERVICING DEVICES MAY BE MOVED INTO A FIRST POSITION TO ENTER AND CLOSE SAID PASSAGE AND A SECOND POSITION IN ALIGNED POSITION BELOW SAID PASSAGE.
References Cited (Backward Citations)
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Cited
US1186059A
Cited
US1691620A
Cited
US2653649A
Cited
US2713891A
Cited
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US2915112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |