US3191307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for drawing three dimensional views of objects
Assignee: Individual
•
Filing: 1962-05-07
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Granted: 1965-06-29
•
Expires: 1982-05-07
Abstract
No abstract record available.
Inventors
- 👤 Angelis George De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:15
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/14; B43L13/141; B43L13/142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
AN APPARATUS FOR DRAWING THREE DIMENSIONAL VIEWS OF OBJECTS IN COMBINATION WITH A FLAT SURFACE ON WHICH SAID VIEWS ARE DRAWN, SAID APPARATUS COMPRISING A GENERALLY HORIZONTALLY EXTENDING FIRST MEMBER HAVING AT LEAST ONE HORIZONTAL STRAIGHT EDGE, A SECOND MEMBER EXTENDING GENERALLY NORMAL TO SAID FIRST MEMBER AND HAVING ITS BOTTOM SURFACE ATTACHED INTERMEDIATE ITS ENDS TO THE TOP SURFACE AND AT ONE END OF SAID FIRST MEMBER, THE INWARD SIDE OF SAID SECOND MEMBER BEING A VERTICAL STRAIGHT EDGE, A FIRST LINK HAVING ONE END PIVOTALLY CONNECTED TO ONE END AT THE BOTTOM SURFACE OF SAID SECOND MEMBER ADJACENT ITS OUTWARD SIDE, A SECOND LINK HAVING ONE END PIVOTALLY CONNECTED TO THE OTHER END AT THE BOTTOM SURFACE OF SAID SECOND MEMBER ADJACENT ITS OUTWARD SIDE, FIRST MEANS AT THE OTHER END OF SAID FIRST LINK FOR PIVOTALLY CONNECTING THE
Claim 2
Independent Claim
141 words
AN APPARATUS FOR DRAWING THREE DIMENSIONAL VIEWS OF OBJECTS IN COMBINATION WITH A FLAT SURFACE ON WHICH SAID VIEWS ARE DRAWN, SAID APPARATUS COMPRISING A GENERALLY HORIZONTALLY EXTENDING FIRST MEMBER HAVING AT LEAST ONE HORIZONTAL STRAIGHT EDGE, A SECOND MEMBER EXTENDING GENERALLY NORMAL TO SAID FIRST MEMBER AND HAVING ITS BOTTOM SURFACE ATTACHED INTERMEDIATE ITS ENDS TO THE TOP SURFACE AND AT ONE END OF SAID FIRST MEMBER, THE INWARD SIDE OF SAID SECOND MEMBER BEING A VERTICAL STRAIGHT EDGE, A FIRST LINK HAVING ONE END PIVOTALLY CONNECTED TO ONE END AT THE BOTTOM SURFACE OF SAID SECOND MEMBER ADJACENT ITS OUTWARD SIDE, A SECOND LINK HAVING ONE END PIVOTALLY CONNECTED TO THE OTHER END AT THE BOTTOM SURFACE OF SAID SECOND MEMBER ADJACENT ITS OUTWARD SIDE, FIRST MEANS AT THE OTHER END OF SAID FIRST LINK FOR PIVOTALLY CONNECTING THE
References Cited (Backward Citations)
DE234281C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |