Patent US3357308A successfully refreshed from Google Patents.
US3357308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing 3-dimensional form
Assignee: Individual
•
Filing: 1965-10-22
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Granted: 1967-12-12
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 John K Karfo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:16
CPC Classifications
B; B44; B44B; B44B1/00; B44B1/02; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/302856
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
APPARATUS FOR PRODUCING THREE-DIMENSIONAL FORMS TO REPRESENT ELEVATIONAL DATA DELINEATED BY THE RESPECTIVE CURVILINEAR CONTOUR LINES SHOWN ON A TWO-DIMENSIONAL TOPOGRAPHICAL MAP, COMPRISING: A REVERSE PRINT OF SAID MAP POSITIONED IN A VERTICAL PLANE SUBSTANTIALLY COINCIDENT WITH A VERTICAL PLANE OF A FIRST VERTICAL WALL; MEANS MOUNTED ON SAID FIRST WALL AND SIMULATENOUSLY MOVABLE IN HORIZONTAL AND VERTICAL DIRECTIONS TO CONSTITUTE EFFECTIVELY CURVILINEAR DIRECTIONS APART FROM SAID LAST-MENTIONED HORIZONTAL AND VERTICAL DIRECTIONS OVER SAID PRINT IN A VERTICAL PLANE SPACED FROM AND PARALLEL WITH SAID PRINT VERTICAL PLANE FOR TRACING SAID RESPECTIVELY CURVILINEAR CONTOUR LINES ON SAID PRINT; A SECOND VERTICAL WALL SPACED FROM AND OPPOSING SAID FIRST WALL, AND ADAPTED TO RECEIVE A BLOCK OF CUTTING MATERIAL POSITIONED IN A VERTICAL PLANE SUBSTANTIALLY COINCIDENT WITH A VERTICAL PLANE OF SAID SECOND VERTICAL WALL; ELONGATED CUTTING TOOL MEANS MOUNTED NORMALLY ON SAID MOVABLE MEANS IN A DIRECTION TOWARD SAID BLOCK AND VARIABLE IN LENGTH IN SUCH DIRECTION FOR ROUTING SAID LAST-MENTIONED BLOCK; DRIVE MEANS MOUNTED ON SAID MOVABLE MEANS IN SPACED RELATION WITH RESPECT TO SAID CUTTING TOOL MEANS AND HAVING A ROTOR DISPOSED NORMALLY TO SAID MOVABLE MEANS IN PARALLEL RELATION WITH SAID CUTTING TOOL MEANS IN A DIRECTION TOWARD SAID BLOCK; AND
Claim 2
Dependent Claim
204 words
APPARATUS FOR PRODUCING THREE-DIMENSIONAL FORMS TO REPRESENT ELEVATIONAL DATA DELINEATED BY THE RESPECTIVE CURVILINEAR CONTOUR LINES SHOWN ON A TWO-DIMENSIONAL TOPOGRAPHICAL MAP, COMPRISING: A REVERSE PRINT OF SAID MAP POSITIONED IN A VERTICAL PLANE SUBSTANTIALLY COINCIDENT WITH A VERTICAL PLANE OF A FIRST VERTICAL WALL; MEANS MOUNTED ON SAID FIRST WALL AND SIMULATENOUSLY MOVABLE IN HORIZONTAL AND VERTICAL DIRECTIONS TO CONSTITUTE EFFECTIVELY CURVILINEAR DIRECTIONS APART FROM SAID LAST-MENTIONED HORIZONTAL AND VERTICAL DIRECTIONS OVER SAID PRINT IN A VERTICAL PLANE SPACED FROM AND PARALLEL WITH SAID PRINT VERTICAL PLANE FOR TRACING SAID RESPECTIVELY CURVILINEAR CONTOUR LINES ON SAID PRINT; A SECOND VERTICAL WALL SPACED FROM AND OPPOSING SAID FIRST WALL, AND ADAPTED TO RECEIVE A BLOCK OF CUTTING MATERIAL POSITIONED IN A VERTICAL PLANE SUBSTANTIALLY COINCIDENT WITH A VERTICAL PLANE OF SAID SECOND VERTICAL WALL; ELONGATED CUTTING TOOL MEANS MOUNTED NORMALLY ON SAID MOVABLE MEANS IN A DIRECTION TOWARD SAID BLOCK AND VARIABLE IN LENGTH IN SUCH DIRECTION FOR ROUTING SAID LAST-MENTIONED BLOCK; DRIVE MEANS MOUNTED ON SAID MOVABLE MEANS IN SPACED RELATION WITH RESPECT TO SAID CUTTING TOOL MEANS AND HAVING A ROTOR DISPOSED NORMALLY TO SAID MOVABLE MEANS IN PARALLEL RELATION WITH SAID CUTTING TOOL MEANS IN A DIRECTION TOWARD SAID BLOCK; AND
References Cited (Backward Citations)
US3202895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |