Patent US5696739A successfully refreshed from Google Patents.
US5696739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alcohol and tobacco age identification electronic perpetual calendar
Assignee: Individual
•
Filing: 1996-10-29
•
Granted: 1997-12-09
•
Expires: 2016-10-29
Abstract
Abstract An alcohol and tobacco age identification perpetual calendar specifically designed for cashiers of the stores that sells alcohol or tobacco products to check customer's identification and can easily verify customer's age before making the sales.
Inventors
- 👤 Nai-Wen Chang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:36
CPC Classifications
G; G04; G04G; G04G99/00; G04G9/00; G04G9/08; G04G9/085
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
82 words
An alcohol and tobacco age identification electronic perpetual calendar comprising: a housing for accommodating a control circuit board, power supply, setting buttons and a digital display; means for providing calendar functions; said display displaying said calendar functions and having a first portion for displaying a date, a first year display for identifying a legal alcohol sale, and a second year display for identifying a legal tobacco sale; said setting buttons being arranged to control setting of said calendar functions and said display.
Claim 2
Dependent Claim
82 words
An alcohol and tobacco age identification electronic perpetual calendar comprising: a housing for accommodating a control circuit board, power supply, setting buttons and a digital display; means for providing calendar functions; said display displaying said calendar functions and having a first portion for displaying a date, a first year display for identifying a legal alcohol sale, and a second year display for identifying a legal tobacco sale; said setting buttons being arranged to control setting of said calendar functions and said display.
Claim 3
Dependent Claim
31 words
An alcohol and tobacco age identification electronic perpetual calendar as recited in claim 1, wherein the setting buttons; digital display and the power supply are connected to said control circuit board.
Claim 4
Dependent Claim
45 words
An alcohol and tobacco age identification electronic perpetual calendar as recited in claim 1, wherein the control circuit board provides standard perpetual calendar functions that can be set by the setting buttons to the current year, current month, current date, current hour, and current minute.
Claim 5
Dependent Claim
43 words
An alcohol and tobacco age identification electronic perpetual calendar as recited in claim 1, wherein the control circuit board comprises two programmable counters for setting the ages for legal purchasing of alcohol and tobacco products according to the individual state or country requirements.
Claim 6
Dependent Claim
84 words
An alcohol and tobacco age identification electronic perpetual calendar as recited in claim 4, wherein the digital display displays the current month, current date, and two separate years; the first year is the ALCOHOL YEAR which is the current year minus the legal age for alcohol purchasing that was set into one of the programmable counters; the second year is the TOBACCO YEAR which is the current year minus the legal age for tobacco purchasing that was set into the other programmable counter as.
Claim 7
Dependent Claim
47 words
An alcohol and tobacco age identification electronic perpetual calendar as recited in claim 5, wherein both ALCOHOL YEAR and TOBACCO YEAR display at the same time, and the perpetual calendar runs according to the current year set instead of either the ALCOHOL YEAR or the TOBACCO YEAR.
Claim 8
Dependent Claim
28 words
An alcohol and tobacco age identification electronic perpetual calendar as recited in claim 1, wherein the power supply device can be A/C power or a battery powered system.
Claim 9
Dependent Claim
36 words
An alcohol and tobacco age identification electronic perpetual calendar as recited in claim 1, wherein the power supply includes re-chargeable battery that works as back-up system that provides electricity for the perpetual calendar during power failure.
Claim 10
Dependent Claim
21 words
An alcohol and tobacco age identification electronic perpetual calendar as recited in claim 1, wherein the digital display comprises an LCD.
Claim 11
Dependent Claim
21 words
An alcohol and tobacco age identification electronic perpetual calendar as recited in claim 1, wherein the digital display comprises an LED.
References Cited (Backward Citations)
US4130987A
Cited
US4117657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-12-08 | 2001-06-09 | 2001-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-12-08 | 2005-06-09 | 2005-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-12-08 | 2009-06-09 | 2009-12-09 | $7700.00 | Window Closed / Lapsed |