Patent US4497432A successfully refreshed from Google Patents.
Patent US3237309A successfully refreshed from Google Patents.
US3237309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epicyclic compass
Assignee: Individual
•
Filing: 1963-09-16
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Granted: 1966-03-01
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Expires: 1983-09-16
Abstract
No abstract record available.
Inventors
- 👤 Robert F Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:07
CPC Classifications
B; B43; B43L; B43L11/00; B43L11/02; B43L11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A DEVICE FO FORMING ELLIPTICAL FIGURES COMPRISING A FRAME; A ROD PIVOTALLY MOUNTED ON SAID FRAME AND CARRYING A TURNING KNOB; A MEMBER OPERATIVELY CONNECTED TO SAID ROD FOR ROTATION IN A HORIZONTAL PLANE IN ONE DIRECTION; MEANS CARRIED BY SAID MEMBER, AN EPICYCLIC GEAR NON-ROTATIVELY MOUNTED ON SAID MEANS; A PLANETARY GEAR ROTATIVELY CARRIED BY SAID MEANS AND MESHING WITH SAID EPICYCLIC GEAR; A MARKING STYLUS FIXEDLY CONNECTED TO SAID PLANETARY GEAR AND MEANS ASSOCIATED WITH SAID FRAME FOR PREVENTING ROTATION OF SAID EPICYCLIC GEAR WHILE PERMITTING SAID EPICYCLIC GEAR TO BE SWUNG IN A CIRCLE, WHEREBY SAID PLANETARY GEAR IS REVOLVED IN THE OTHER DIRECTION.
Claim 2
Independent Claim
107 words
A DEVICE FO FORMING ELLIPTICAL FIGURES COMPRISING A FRAME; A ROD PIVOTALLY MOUNTED ON SAID FRAME AND CARRYING A TURNING KNOB; A MEMBER OPERATIVELY CONNECTED TO SAID ROD FOR ROTATION IN A HORIZONTAL PLANE IN ONE DIRECTION; MEANS CARRIED BY SAID MEMBER, AN EPICYCLIC GEAR NON-ROTATIVELY MOUNTED ON SAID MEANS; A PLANETARY GEAR ROTATIVELY CARRIED BY SAID MEANS AND MESHING WITH SAID EPICYCLIC GEAR; A MARKING STYLUS FIXEDLY CONNECTED TO SAID PLANETARY GEAR AND MEANS ASSOCIATED WITH SAID FRAME FOR PREVENTING ROTATION OF SAID EPICYCLIC GEAR WHILE PERMITTING SAID EPICYCLIC GEAR TO BE SWUNG IN A CIRCLE, WHEREBY SAID PLANETARY GEAR IS REVOLVED IN THE OTHER DIRECTION.
References Cited (Backward Citations)
US1876069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |