Patent US3561022A successfully refreshed from Google Patents.
US3561022A
Expired / Lapsed
US
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Health slant board
Assignee: Individual
•
Filing: 1969-01-16
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Granted: 1971-02-09
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Expires: 1989-01-16
Abstract
Abstract A BOARD IS PROVIDED ON A SUPPORT MEANS TO ALLOW PERSONS TO SELECTIVELY AND OPTIONALLY POSITION THEMSELVES IN SEMI-INVERTED AND SEMI-UPRIGHT POSITIONS, THE SUPPORT MEANS BEING FORMED OF A SINGLE SHEET OF METAL BENT INTO TRIANGULAR CONFIGURATION WITH TRIANGULAR END PANS POSITIONED IN THE OPEN ENDS OF SAID SHEET OF METAL. A RETAINER LIP IS PROVIDED ON ONE END OF THE AFOREMENTIONED SHEET OF METAL TO RETAIN THE SUPPORT MEANS IN ASSEMBLED POSITION.
Inventors
- 👤 Eugene James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:32
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0218; A61H1/0229; A61H2203/00; A61H2203/04; A61H2203/0481; A61H2203/0493
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |