Patent US3987807A successfully refreshed from Google Patents.
US3987807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescopic walking cane
Assignee: Individual
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Filing: 1975-11-10
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Granted: 1976-10-26
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Expires: 1995-11-10
Abstract
Abstract A telescopic walking cane with spring-loaded telescopic members that can be easily telescoped to provide a cane compact for carrying purposes and which likewise can be readily telescoped to full length by activation of a hand switch for walking purposes, the telescopic walking cane being provided with a concealed latch that can be readily opened for fastening to a person's belt or other convenient location on the person's wearing apparrel for ease in carrying or storing said walking cane when not in use, a thermometer built into the side of the walking cane for convenience in reading air temperature as particularly useful for individuals with certain handicaps affected by the weather, the walking cane being further provided with a scale or ruler markings along its length, and, additionally, a battery operated light at the tip of the walking cane operated by a switch in the handle, said light being useful when necessary for a handicapped person to look in dark corners or areas.
Inventors
- 👤 Dennis H. Varnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:34
CPC Classifications
A; A45; A45B; A45B1/00; A45B1/04; A45B3/00; Y; Y10; Y10S; Y10S135/00; Y10S135/91; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32467; Y10T403/32475; Y10T403/32483; Y10T403/60; Y10T403/608
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
320 words
A telescopic walking cane for use by handicapped or semi-handicapped individuals, the cane comprising, in combination: a series of telescoping members with a conventional type handle at the top of the walking cane, and a spring disposed interiorly of said telescoping members for purposes of telescoping said walking cane; and a telescoping switch for securing said telescoping members in place when said walking cane is in a collapsed position, consisting of a knurled button, an outside plate, and a dual latch provided with double indents at the bottom of said latch for securement of the inside top surface of all but the uppermost telescoping members within said indents, the upper inside surface of said telescoping members being conventionally provided with a flange rim around the diameter of said inside surface; and a series of telescoping lock switches for holding the telescoping members in an extended position and consisting of an irregular U-shaped bracket, a top pivot button, and a bottom pivot button, with said telescoping lock switch affixed to the inside of all but the uppermost telescoping sections by means of a pivot pin mounted to a conventional support bracket; and a concealed hooked latch provided in the top telescoping member for attachment of said walking cane to a hanger or a person's wearing apparel when said walking cane is not in use and with said latch being concealed with the cane in use; and a thermometer built into the side of said walking cane for use by handicapped or semi-handicapped individuals for reading weather temperatures; and ruler or inch measurements provided along the length of said walking cane for measurement of distances as desired by a handicapped or semi-handicapped individuals; and a light provided at the bottom tip of said walking cane, operated by a switch at the tip of the handle of said walking cane, and with said light being battery operated to illuminate dark crevices or corners.
Claim 2
Dependent Claim
320 words
A telescopic walking cane for use by handicapped or semi-handicapped individuals, the cane comprising, in combination: a series of telescoping members with a conventional type handle at the top of the walking cane, and a spring disposed interiorly of said telescoping members for purposes of telescoping said walking cane; and a telescoping switch for securing said telescoping members in place when said walking cane is in a collapsed position, consisting of a knurled button, an outside plate, and a dual latch provided with double indents at the bottom of said latch for securement of the inside top surface of all but the uppermost telescoping members within said indents, the upper inside surface of said telescoping members being conventionally provided with a flange rim around the diameter of said inside surface; and a series of telescoping lock switches for holding the telescoping members in an extended position and consisting of an irregular U-shaped bracket, a top pivot button, and a bottom pivot button, with said telescoping lock switch affixed to the inside of all but the uppermost telescoping sections by means of a pivot pin mounted to a conventional support bracket; and a concealed hooked latch provided in the top telescoping member for attachment of said walking cane to a hanger or a person's wearing apparel when said walking cane is not in use and with said latch being concealed with the cane in use; and a thermometer built into the side of said walking cane for use by handicapped or semi-handicapped individuals for reading weather temperatures; and ruler or inch measurements provided along the length of said walking cane for measurement of distances as desired by a handicapped or semi-handicapped individuals; and a light provided at the bottom tip of said walking cane, operated by a switch at the tip of the handle of said walking cane, and with said light being battery operated to illuminate dark crevices or corners.
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) | 1979-10-26 | 1980-04-26 | 1980-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-26 | 1984-04-26 | 1984-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-26 | 1988-04-26 | 1988-10-26 | $7700.00 | Window Closed / Lapsed |