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US3824472A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable radio/tape recorder charging and locking system

Assignee: GEN DELIVERY
•
Filing: 1973-01-24
•
Granted: 1974-07-16
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Expires: 1993-01-24
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Abstract

Abstract Radio/tape recorders, particularly a charging base and a locking system for locking the portable radio/tape recorder when not in use. The system is particularly adaptable to hotel use, enabling the rental and removal of the radio/tape recorder by the individual guest and use of the unit as a business or recreational aid apart from the hotel room.

Inventors

  • 👤 F Engel
  • 👤 R Engel
  • 👤 G Derbes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 08:56
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/08; H04B1/086; H04B1/38; H04B2001/3894; Y; Y10; Y10S; Y10S439/00; Y10S439/929

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 210 words
A rechargeable and portable radio/tape recorder charging and locking system, comprising: A. a base unit including: i. a charger having an on/off switch and a charging outlet connector; ii. an electrical circuit interconnecting said charger and a source of electrical power; B. a portable radio/tape recorder unit removably positioned in said base unit and including: i. an energizing circuit engageable with said charger outlet connector; ii. tape recorder and radio components operably supported in said circuit, said tape recorder including a mike means and amplifier, so as to enable tape recording, as well as playback within said unit; and iii. lock means supported in said radio/tape recorder unit and extensible into said base, including a tumbler, activated by a key and a bar pivotable so as to lock said unit to said base when not in use from said tumbler through the tape recorder housing and into said base; C. a rechargeable power cell mounted in said energizing circuit and including an on/off switch and said base unit including magnetic means positionable adjacent said on/off switch, so as to deactivate said rechargeable power cell, as said radio/tape recorder is removed from said base; and D. a cigarette lighter connected to said energizing circuit and supported in said radio/tape recorder unit.
Claim 2
Dependent Claim 210 words
A rechargeable and portable radio/tape recorder charging and locking system, comprising: A. a base unit including: i. a charger having an on/off switch and a charging outlet connector; ii. an electrical circuit interconnecting said charger and a source of electrical power; B. a portable radio/tape recorder unit removably positioned in said base unit and including: i. an energizing circuit engageable with said charger outlet connector; ii. tape recorder and radio components operably supported in said circuit, said tape recorder including a mike means and amplifier, so as to enable tape recording, as well as playback within said unit; and iii. lock means supported in said radio/tape recorder unit and extensible into said base, including a tumbler, activated by a key and a bar pivotable so as to lock said unit to said base when not in use from said tumbler through the tape recorder housing and into said base; C. a rechargeable power cell mounted in said energizing circuit and including an on/off switch and said base unit including magnetic means positionable adjacent said on/off switch, so as to deactivate said rechargeable power cell, as said radio/tape recorder is removed from said base; and D. a cigarette lighter connected to said energizing circuit and supported in said radio/tape recorder unit.
Claim 3
Dependent Claim 32 words
A rechargeable and portable radio/tape recorder charging and locking system as in claim 1, said radio/tape recorder including a page amplifier system, so as to enable remote paging through the radio speaker.
Claim 4
Dependent Claim 22 words
A rechargeable and portable radio/tape recorder charging and locking system as in claim 1, including a clock connected to said energizing circuit.

References Cited (Backward Citations)

US2866891A Cited
US3041521A Cited
US3070748A Cited
US3521010A Cited
US3560666A Cited
US3611151A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-07-15 1978-01-14 1978-07-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-07-15 1982-01-14 1982-07-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-07-15 1986-01-14 1986-07-16 $7700.00 Window Closed / Lapsed

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