Patent US4812068A successfully refreshed from Google Patents.
US4812068A
Expired / Lapsed
US
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Writing device with alarm
Assignee: Individual
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Filing: 1988-07-15
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Granted: 1989-03-14
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Expires: 2008-07-15
Abstract
Abstract An alarm-generating writing device is disclosed, the constitution of which is such that a push bottom switch is provided on the body of the writing device (pen or pencil), the push button switch being able to close the circuit in order to activate an alarm. When the user of the writing device releases the push button switch due to exhaustion or falling asleep, the springing push button switch closes the inner circuit of the writing device in order to activate the alarm, whereby awakening the user from the sleeping state.
Inventors
- 👤 Jae Pil Seong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:15
CPC Classifications
B; B43; B43K; B43K29/00; B43K29/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
A writing device having an alarm comprising: a cap and cap portion assembly sequentially containing in connected state a buzzer, a chip-bonding board, a mercury cell, a conductive spring, a holder, and a connecting tube; a connecting piece installed in such a manner that its total length is extended along the total length of the cap portion, its front hook being positioned at the front end of the cap portion, and its ring portion being positioned in contact with the metal terminal of the chip-bonding board; and a main body of the said device provided with a elongated slot and a connection slot and accommodating a switch piece, a switch lever an elongated metal tube and a socket, which are arranged in such a manner that the upper end of the switch piece aligned with the connection slot is secured by means of the socket, and is connected to the hook of the conductive connector, and the ring at the lower end of the switch piece is positioned around the elongated metal tube in a state elastically urged upward, this rising switch piece being restricted by the switch lever which is installed within the elongated slot.
Claim 2
Dependent Claim
196 words
A writing device having an alarm comprising: a cap and cap portion assembly sequentially containing in connected state a buzzer, a chip-bonding board, a mercury cell, a conductive spring, a holder, and a connecting tube; a connecting piece installed in such a manner that its total length is extended along the total length of the cap portion, its front hook being positioned at the front end of the cap portion, and its ring portion being positioned in contact with the metal terminal of the chip-bonding board; and a main body of the said device provided with a elongated slot and a connection slot and accommodating a switch piece, a switch lever an elongated metal tube and a socket, which are arranged in such a manner that the upper end of the switch piece aligned with the connection slot is secured by means of the socket, and is connected to the hook of the conductive connector, and the ring at the lower end of the switch piece is positioned around the elongated metal tube in a state elastically urged upward, this rising switch piece being restricted by the switch lever which is installed within the elongated slot.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-03-13 | 1992-09-12 | 1993-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-03-13 | 1996-09-12 | 1997-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-03-13 | 2000-09-12 | 2001-03-14 | $7700.00 | Window Closed / Lapsed |