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US3909859A Expired / Lapsed US ⏱️ 0.0 years remaining

Therapeutic water mattress

Assignee: Lee Raymond Organization Inc
•
Filing: 1974-07-08
•
Granted: 1975-10-07
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Expires: 1994-07-08
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Abstract

Abstract A mattress envelope has water therein and an open tub portion formed therein for bathing part of a person on the mattress envelope. A back rest envelope having water therein extends from an area of the mattress envelope in the area of the tub portion thereof at an angle therewith. A pair of arm rest envelopes have water therein and extend from opposite sides of the mattress envelope substantially perpendicularly thereto and abut the back rest envelope.

Inventors

  • 👤 Betty R Harris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 17:52
CPC Classifications
A; A47; A47K; A47K3/00; A47K3/001; A47K3/002; A47C; A47C27/00; A47C27/08; A47C27/085

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 84 words
A therapeutic water mattress, comprising A MATTRESS ENVELOPE HAVING WATER THEREIN AND AN OPEN TUB PORTION FORMED THEREIN FOR BATHING PART OF A PERSON ON THE MATTRESS ENVELOPE; A BACK REST ENVELOPE HAVING WATER THEREIN AND EXTENDING FROM AN END OF THE MATTRESS ENVELOPE IN THE AREA OF THE TUB PORTION THEREOF AT AN ANGLE THEREWITH; AND A PAIR OF ARM REST ENVELOPES HAVING WATER THEREIN AND EXTENDING FROM OPPOSITE SIDES OF THE MATTRESS ENVELOPE SUBSTANTIALLY PERPENDICULARLY THERETO AND ABUTTING THE BACK REST ENVELOPE.
Claim 2
Dependent Claim 84 words
A therapeutic water mattress, comprising A MATTRESS ENVELOPE HAVING WATER THEREIN AND AN OPEN TUB PORTION FORMED THEREIN FOR BATHING PART OF A PERSON ON THE MATTRESS ENVELOPE; A BACK REST ENVELOPE HAVING WATER THEREIN AND EXTENDING FROM AN END OF THE MATTRESS ENVELOPE IN THE AREA OF THE TUB PORTION THEREOF AT AN ANGLE THEREWITH; AND A PAIR OF ARM REST ENVELOPES HAVING WATER THEREIN AND EXTENDING FROM OPPOSITE SIDES OF THE MATTRESS ENVELOPE SUBSTANTIALLY PERPENDICULARLY THERETO AND ABUTTING THE BACK REST ENVELOPE.
Claim 3
Dependent Claim 29 words
A therapeutic water mattress as claimed in claim 1, further comprising an indented head rest portion formed in the area of the free end of the back rest envelope.
Claim 4
Dependent Claim 45 words
A therapeutic water mattress as claimed in claim 1, further comprising a plurality of suction cups affixed to the undersurface of the mattress envelope and the outside surfaces of the arm rest envelopes for removably affixing the water mattress to the inside of a bathtub.

References Cited (Backward Citations)

US775520A Cited
US3050748A Cited
US3235892A Cited
US3802004A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-10-06 1979-04-07 1979-10-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-10-06 1983-04-07 1983-10-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-10-06 1987-04-07 1987-10-07 $7700.00 Window Closed / Lapsed

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