US3137209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making topographical models
Assignee: Individual
•
Filing: 1961-07-27
•
Granted: 1964-06-16
•
Expires: 1981-07-27
Abstract
No abstract record available.
Inventors
- 👤 Green Virginia
- 👤 Leila M Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:14
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
162 words
APPARATUS FOR MAKING THREE DIMENSIONAL TOPOGRAPHICAL MODELS WHICH COMPRISES A SUPPORT FRAME HAVING A TABLE THEREON ADAPTED TO SUPPORT A REVERSE PRINT OF A TOPOGRAPHICAL MAP REPRESENTING THE MODEL WHICH IS TO BE MADE, WORK HOLDING MEANS ON SAID FRAME ABOVE SAID TABLE FOR SUPPORTING ABOVE SAID TABLE A MASS OF MATERIAL FROM WHICH SAID MODEL IS TO BE MADE, A TOOL CARRIER RESTING ON SAID TABLE AND FREELY MOVABLE OVER THE SURFACE OF SAID TABLE, POWER MEANS MOUNTED ON SAID CARRIER AND MOVABLE THEREWITH, A ROTARY CUTTING TOOL CONNECTED TO SAID POWER MEANS FOR ROTATION ABOUT A GENERALLY VERTICAL AXIS WITH SAID TOOL BEING MOVABLE OVER SAID TABLE WITH SAID CARRIER, A STYLUS MOUNTED ON SAID CARRIER ADJACENT TO SAID TABLE ALONG SAID AXIS OF ROTATION OF SAID TOOL WITH BOTH SAID TOOL AND SAID STYLUS POSITIONED BETWEEN SAID TABLE AND SAID WORK HOLDING MEANS, AND ADJUSTING MEANS FOR CHANGING THE DISTANCE BETWEEN SAID CUTTING TOOL AND SAID WORK HOLDING MEANS.
Claim 2
Dependent Claim
162 words
APPARATUS FOR MAKING THREE DIMENSIONAL TOPOGRAPHICAL MODELS WHICH COMPRISES A SUPPORT FRAME HAVING A TABLE THEREON ADAPTED TO SUPPORT A REVERSE PRINT OF A TOPOGRAPHICAL MAP REPRESENTING THE MODEL WHICH IS TO BE MADE, WORK HOLDING MEANS ON SAID FRAME ABOVE SAID TABLE FOR SUPPORTING ABOVE SAID TABLE A MASS OF MATERIAL FROM WHICH SAID MODEL IS TO BE MADE, A TOOL CARRIER RESTING ON SAID TABLE AND FREELY MOVABLE OVER THE SURFACE OF SAID TABLE, POWER MEANS MOUNTED ON SAID CARRIER AND MOVABLE THEREWITH, A ROTARY CUTTING TOOL CONNECTED TO SAID POWER MEANS FOR ROTATION ABOUT A GENERALLY VERTICAL AXIS WITH SAID TOOL BEING MOVABLE OVER SAID TABLE WITH SAID CARRIER, A STYLUS MOUNTED ON SAID CARRIER ADJACENT TO SAID TABLE ALONG SAID AXIS OF ROTATION OF SAID TOOL WITH BOTH SAID TOOL AND SAID STYLUS POSITIONED BETWEEN SAID TABLE AND SAID WORK HOLDING MEANS, AND ADJUSTING MEANS FOR CHANGING THE DISTANCE BETWEEN SAID CUTTING TOOL AND SAID WORK HOLDING MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |