Patent US3286374A successfully refreshed from Google Patents.
US3286374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planetarium
Assignee: Individual
•
Filing: 1964-02-28
•
Granted: 1966-11-22
•
Expires: 1984-02-28
Abstract
No abstract record available.
Inventors
- 👤 William H Baynes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:48
CPC Classifications
G; G09; G09B; G09B27/00; G09B27/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A DEVICE FOR PLOTTING ELLIPTICAL PLANETARY ORBITS HAVING THE SUN FOR ONE FOCUS AND AN ALTERNATE FOCUS, COMPRISING: A PLATE MEMBER HAVING A CAM SURFACE CORRESPONDING TO THE ORBIT OF A PLANET TO BE PLOTTED; A CIRCULAR HOOP MEMBER ROTATABLY MOUNTED ON SAID PLATE MEMBER, SAID HOOP MEMBER BEING CENTERED ABOUT A POINT CORRESPONDING TO SAID ALTERNATE FOCUS; AND CAM MEANS CONNECTED TO SAID HOOP MEMBER IN ENGAGEMENT WITH SAID SURFACE.
Claim 2
Independent Claim
71 words
A DEVICE FOR PLOTTING ELLIPTICAL PLANETARY ORBITS HAVING THE SUN FOR ONE FOCUS AND AN ALTERNATE FOCUS, COMPRISING: A PLATE MEMBER HAVING A CAM SURFACE CORRESPONDING TO THE ORBIT OF A PLANET TO BE PLOTTED; A CIRCULAR HOOP MEMBER ROTATABLY MOUNTED ON SAID PLATE MEMBER, SAID HOOP MEMBER BEING CENTERED ABOUT A POINT CORRESPONDING TO SAID ALTERNATE FOCUS; AND CAM MEANS CONNECTED TO SAID HOOP MEMBER IN ENGAGEMENT WITH SAID SURFACE.
References Cited (Backward Citations)
US571785A
Cited
US3035356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |