US3699761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sextant clock
Assignee: Individual
•
Filing: 1970-03-30
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Granted: 1972-10-24
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Expires: 1990-03-30
Abstract
Abstract A time indicating clock incorporating a novel conventional clock design by elimination of a clock face upon a case, the device comprising a configuration of a nautical sextant and which includes numerals indicating hours along an arc and accross which a pivoted arm sweeps, the arm selectively pointing out one of the hour numerals, and the arm carrying a minute indicating mechanism.
Inventors
- 👤 Edward D Onstott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:58
CPC Classifications
G; G04; G04B; G04B47/00; G04B47/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
A sextant clock comprising a base, a plurality of upstanding legs on said base, a sextant like configuration comprised of a frame of a circle sector shape incorporating a clock mechanism for indicating the hour and minute of time, said frame having a telescope, a stationary mirror and a plurality of sets of filters mounted thereon, an arm pivotably mounted at one of its ends to said frame, a second mirror comprising a pivotable mirror being mounted upon said arm by means of a pin, the opposite end of said arm being provided with a pair of windows, the first of said windows indicating a selector of said hour and a second of said windows indicating the numerals of minutes of a minute mechanism comprising a rotatable cylinder supported on a rear side of said arm, said minute cylinder and said arm being driven by a clock mechanism, said hours being indicated on an arc mounted on said frame upon which numerical digits are indicated reading from 1 to 12 and are used for indicating the hour being displayed through said first window as said arm traverses said arc, a return spring for returning said arm to said 1 o''clock position after it has reached the 12 o''clock position.
Claim 2
Dependent Claim
209 words
A sextant clock comprising a base, a plurality of upstanding legs on said base, a sextant like configuration comprised of a frame of a circle sector shape incorporating a clock mechanism for indicating the hour and minute of time, said frame having a telescope, a stationary mirror and a plurality of sets of filters mounted thereon, an arm pivotably mounted at one of its ends to said frame, a second mirror comprising a pivotable mirror being mounted upon said arm by means of a pin, the opposite end of said arm being provided with a pair of windows, the first of said windows indicating a selector of said hour and a second of said windows indicating the numerals of minutes of a minute mechanism comprising a rotatable cylinder supported on a rear side of said arm, said minute cylinder and said arm being driven by a clock mechanism, said hours being indicated on an arc mounted on said frame upon which numerical digits are indicated reading from 1 to 12 and are used for indicating the hour being displayed through said first window as said arm traverses said arc, a return spring for returning said arm to said 1 o''clock position after it has reached the 12 o''clock position.
References Cited (Backward Citations)
DE300984C
Cited
US1465045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |