US3696385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicator
Assignee: Individual
•
Filing: 1970-11-03
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Granted: 1972-10-03
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Expires: 1990-11-03
Abstract
Abstract A composite indicator for obtaining a digital or alpha numeric readout as well as a dial type readout with provision for adjusting the output by dialing in certain corrections.
Inventors
- 👤 Harold S Burns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:52
CPC Classifications
G; G01; G01C; G01C17/00; G01C17/36
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
78 words
An indicator display for a compass system comprising a case, said case having one wall with a pair of juxtaposed openings with transparent means forming viewing windows, a graduated dial having peripheral scale divisions, said dial mounted on a shaft to rotate therewith, the axis of said shaft located to one side of an edge of and behind one opening to display a sector only of said dial, a digital readout means located behind the other viewing window.
Claim 2
Dependent Claim
78 words
An indicator display for a compass system comprising a case, said case having one wall with a pair of juxtaposed openings with transparent means forming viewing windows, a graduated dial having peripheral scale divisions, said dial mounted on a shaft to rotate therewith, the axis of said shaft located to one side of an edge of and behind one opening to display a sector only of said dial, a digital readout means located behind the other viewing window.
Claim 3
Dependent Claim
119 words
A composite indicator display apparatus for a compass system comprising a disc compass card having circumferential scale divisions adjacent its periphery, said card being mounted on a shaft, a case, said case enclosing said card and shaft, said case having one wall provided with a pair of openings adjacent, digital readout means mounted adjacent the central portion of the disc compass card and viewable through one of said openings, a segmental portion of the disc compass card being viewable through the other opening, an edge of said other opening being located above the axis of said shaft and means rotating said card and actuating said digital readout whereby duplicate readings may be obtained by the card and readout respectively.
Claim 4
Dependent Claim
119 words
A composite indicator display apparatus for a compass system comprising a disc compass card having circumferential scale divisions adjacent its periphery, said card being mounted on a shaft, a case, said case enclosing said card and shaft, said case having one wall provided with a pair of openings adjacent, digital readout means mounted adjacent the central portion of the disc compass card and viewable through one of said openings, a segmental portion of the disc compass card being viewable through the other opening, an edge of said other opening being located above the axis of said shaft and means rotating said card and actuating said digital readout whereby duplicate readings may be obtained by the card and readout respectively.
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) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |