US3633354A
Expired / Lapsed
US
⏱️ 0.0 years remaining
World-time indicator timepiece
Assignee: DUROWE GmbH
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Filing: 1970-06-17
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Granted: 1972-01-11
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Expires: 1990-06-17
Abstract
Abstract The timepiece comprises a minute hand, means having a 12-hour scale and a 24-hour scale, a 12-hour hour hand associated with said 12-hour scale, a 24-hour hour hand associated with said 24hour scale, and setting means for jointly and mutually independently setting said 12-hour and 24-hour hour hands.
Inventors
- 👤 Ewald Stemmler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:13
CPC Classifications
G; G04; G04B; G04B19/00; G04B19/22; G04B19/23; G04B19/235
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
155 words
A timepiece comprising, in combination: a. a support frame disposed in a housing; b. a dial mounted on said housing to overlie said support frame, said dial having associated but separate 12-hour and 24-hour scales; c. a first hand mounted for rotation above said dial on support means at a central axis of said support frame, said first hand being associated with said 12-hour scale; d. a second hand also mounted for rotation on said support means, said second hand being associated with said 24-hour scale; e. first means carried by said support frame, for simultaneously rotating said second hand at an angular speed and said first hand at an angular speed twice that of said second hand, said mans including a zone disc mounted for rotation on said support means; and f. second means for simultaneously rotating said zone disc independently of said first means and said first hand independently of said second hand.
Claim 2
Dependent Claim
155 words
A timepiece comprising, in combination: a. a support frame disposed in a housing; b. a dial mounted on said housing to overlie said support frame, said dial having associated but separate 12-hour and 24-hour scales; c. a first hand mounted for rotation above said dial on support means at a central axis of said support frame, said first hand being associated with said 12-hour scale; d. a second hand also mounted for rotation on said support means, said second hand being associated with said 24-hour scale; e. first means carried by said support frame, for simultaneously rotating said second hand at an angular speed and said first hand at an angular speed twice that of said second hand, said mans including a zone disc mounted for rotation on said support means; and f. second means for simultaneously rotating said zone disc independently of said first means and said first hand independently of said second hand.
Claim 3
Dependent Claim
39 words
A timepiece as defined in claim 1, wherein a date ring is carried on said support frame to underlie said dial and said zonE disc. Said zone disc and said dial having aligned window portions above said date ring.
Claim 4
Dependent Claim
64 words
A timepiece as defined in claim 1, wherein said first means includes (i) a 24-hour wheel, (ii) a cup secured to said wheel, said cup having teeth on the internal wall surface thereof, (iii) a 12-hour wheel with teeth on its outer periphery, and (iv) planet pinions carried by said zone disc and disposed to transmit torque from said cup to said 12-hour wheel.
Claim 5
Dependent Claim
60 words
A timepiece as defined in claim 1, wherein said second means includes a setting wheel associated with said zone disc and mounted on a setting shaft, said shaft being rotatably mounted on said support frame to extend through said housing, said shaft has a gripping means outside said housing whereby said shaft and the associated zone disc can be rotated.
Claim 6
Dependent Claim
67 words
A timepiece as defined in claim 1, where said second means includes two pushbuttons extending through said housing to lever mans within said housing, said lever means being pivotally mounted on said support frame and having two end sections to engage and coact with a serrated wall section of said zone disc whereby said disc can be rotated in steps either in a clockwise or counterclockwise direction.
Claim 7
Dependent Claim
51 words
A timepiece as defined in claim 1, wherein said second means includes (i) a rotatable ring mounted on the outer peripheral surface of said housing and (ii) pinion and gear means operatively disposed between said ring and said zone disc, whereby rotation of said ring produces rotation of said zone disc.
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) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |