US4151707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water proof watch
Assignee: MULTIBREV ANSTALT
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Filing: 1977-07-14
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Granted: 1979-05-01
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Expires: 1997-07-14
Abstract
Abstract A water-proof watch which comprises a composite watch case and a movement therein, said case consisting of a transparent plastic face crystal having overmolded therein a generally opaque plastic body portion to which can be fitted a plastic closure portion sealable after the movement is placed in the watch. At least a zone of the case or of the closure portion is flexible in order to provide control of the winding and regulating mechanism of the movement.
Inventors
- 👤 Mario Cobelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:52
CPC Classifications
G; G04; G04B; G04B39/00; G04B27/00; G04B37/00; G04B37/08; G04B37/084; G04B37/085
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
123 words
A hermetically closed watch comprising a case of plastic material including: a substantially rigid transparent portion fast with a substantially rigid first portion of the case; a substantially rigid second portion sealable to said first portion and closing said first portion; and at least one flexible zone for controlling at least the time setting of the watch movement, wherein said flexible zone comprises a membrane button of flexible plastic material fast with and overmolded to said case, said membrane button closing an opening of said second portion and having loop-shaped edges enclosing the inner and outer contours of the opening provided with annular ridges, said edges being joined by beads of plastic material flown into a plurality of holes passing through said contours.
Claim 2
Dependent Claim
123 words
A hermetically closed watch comprising a case of plastic material including: a substantially rigid transparent portion fast with a substantially rigid first portion of the case; a substantially rigid second portion sealable to said first portion and closing said first portion; and at least one flexible zone for controlling at least the time setting of the watch movement, wherein said flexible zone comprises a membrane button of flexible plastic material fast with and overmolded to said case, said membrane button closing an opening of said second portion and having loop-shaped edges enclosing the inner and outer contours of the opening provided with annular ridges, said edges being joined by beads of plastic material flown into a plurality of holes passing through said contours.
Claim 3
Dependent Claim
49 words
A watch according to claim 1, further comprising a movement drive shaft and a drive mechanism associated therewith, said drive shaft and mechanism being within the case, said mechanism being controlled through said membrane button and suitable to convert a reciprocating motion into a rotary motion of said shaft.
Claim 4
Dependent Claim
30 words
A watch according to claim 1, wherein the transparent portion of the case peripherally has at least one annular groove, into which the material of the first case portion penetrates.
Claim 5
Dependent Claim
32 words
A watch according to claim 1, wherein the peripheral contour of the lower face or side of the case is shaped, so that the flexible button will not contact the user's wrist.
Claim 6
Dependent Claim
32 words
A watch according to claim 2, wherein said drive mechanism comprises a key slidably straddling the drive shaft and having a pawl acting upon a gear wheel mounted on the drive shaft.
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) | 1982-04-30 | 1982-10-30 | 1983-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-30 | 1986-10-30 | 1987-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-30 | 1990-10-30 | 1991-05-01 | $7700.00 | Window Closed / Lapsed |