US4444513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual display watch
Assignee: Eterna AG Uhrenfabrik
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Filing: 1981-09-21
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Granted: 1984-04-24
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Expires: 2001-09-21
Abstract
Abstract A watch comprising at least one electronic movement, and a first and a second display means 2, 3, mounted in a case 1. The case 1 is made in two parts 4, 5 each of which bears a display means 2, 3 and is articulated in such a way as to be able selectively to occupy a first position in which the display means are superimposed, with the first hiding the second, and a second position, in which the first display means becomes visible to the wearer.
Inventors
- 👤 Claude-Daniel Proellochs
- 👤 Luigi Vignando
- 👤 Claude Mouche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:33
CPC Classifications
G; G04; G04G; G04G17/00; G04G17/08; G04G17/083; G04B; G04B37/00; G04B37/04; G04B37/0427; G04C; G04C17/00; G04C17/0091
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
143 words
A watch comprising at least one electronic movement and a first and a second display means for displaying time information mounted in a case, characterized in that the said case comprises an upper part and a separate lower part, said lower part comprising said first display means, said upper part comprising said second display means, said first display means comprising a digital time display and said second display means comprising an analog time display, said upper part normally covering said lower part enabling only said analog time display means to be visible, means connecting said upper and lower separate parts to move said upper part away from said lower part to permit said digital time display means to be visible, said upper part returned to cover said lower part during normal wear such that said analog time display is visible during normal wear.
Claim 2
Dependent Claim
143 words
A watch comprising at least one electronic movement and a first and a second display means for displaying time information mounted in a case, characterized in that the said case comprises an upper part and a separate lower part, said lower part comprising said first display means, said upper part comprising said second display means, said first display means comprising a digital time display and said second display means comprising an analog time display, said upper part normally covering said lower part enabling only said analog time display means to be visible, means connecting said upper and lower separate parts to move said upper part away from said lower part to permit said digital time display means to be visible, said upper part returned to cover said lower part during normal wear such that said analog time display is visible during normal wear.
Claim 3
Dependent Claim
25 words
A watch in accordance with claim 1, wherein said first and second display means are simultaneously visible when said parts are in said second position.
Claim 4
Dependent Claim
25 words
A watch in accordance with claims 1 or 2, wherein the parts of the case are mounted to be slideable with respect to one another.
Claim 5
Dependent Claim
20 words
A watch in accordance with claims 1 or 2, wherein said upper part is articulated rotationally on the lower part.
Claim 6
Dependent Claim
52 words
A watch in accordance with claim 1, wherein said first and second display means are both driven by said electronic movement, said movement being mounted in a part of the case that houses one of the first and second display means and being electrically connected to the other of said display means.
Claim 7
Dependent Claim
43 words
A watch in accordance with claim 5, wherein the parts of the case are movable with respect to each other by means of two slides, said electrical connection of the movement to the other of said display means being connected through said slides.
Claim 8
Dependent Claim
40 words
A watch in accordance with claim 1, wherein said first and second display means are each driven by a respective movement, with each respective movement being mounted in the respective part of the case which houses the corresponding display means.
Claim 9
Dependent Claim
40 words
A watch in accordance with claim 3, wherein said first and second display means are each driven by a respective movement, with each respective movement being mounted in the respective part of the case which houses the corresponding display means.
Claim 10
Dependent Claim
40 words
A watch in accordance with claim 4, wherein said first and second display means are each driven by a respective movement, with each respective movement being mounted in the respective part of the case which houses the corresponding display means.
Claim 11
Dependent Claim
19 words
A watch in accordance with claim 7, wherein the two parts of the case are separable from each other.
Claim 12
Dependent Claim
46 words
A watch according to claim 1, further comprising means for supplying power to said first display means in the second position, said power being cut off from supplying said first display means when said first display means is in said first position and blocked from view.
Claim 13
Dependent Claim
21 words
A watch in accordance with claim 2 wherein one of the parts of the case is articulated rotationally on the other.
Claim 14
Dependent Claim
52 words
A watch in accordance with claim 2 wherein said first and second display means are both driven by said electronic movement, said movement being mounted in a part of the case that houses one of the first and second display means and being electrically connected to the other of said display means.
Claim 15
Dependent Claim
39 words
A watch in accordance with claim 2 wherein said first and second display means are each driven by respective movement, with each respective movement being mounted in the respective part of the case which houses the corresponding display means.
Claim 16
Dependent Claim
21 words
A watch in accordance with claim 2 wherein the first display means is digital and the second display means is analog.
Claim 17
Dependent Claim
46 words
A watch according to claim 2 further comprising means for supplying power to said first display means in the second positon, said power being cut off from supplying said first display means when said first display means is in said first position and blocked from view.
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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) | 1987-04-24 | 1987-10-24 | 1988-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-24 | 1991-10-24 | 1992-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-24 | 1995-10-24 | 1996-04-24 | $7700.00 | Window Closed / Lapsed |