Patent US2609499A successfully refreshed from Google Patents.
US3145474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perspective or orthographic plotter
Assignee: Individual
•
Filing: 1962-03-05
•
Granted: 1964-08-25
•
Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Bernard M Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:20
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/14; B43L13/02; B43L13/022
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
159 words
A SYSTEM FOR SELECTIVELY PROVIDING A TWO-DIMENSIONAL ORTHOGRAPHIC OR PERSPECTIVE REPRESENTATION OF OBJECTS SPECIFIED BY THREE-DIMENSIONAL DIMENSIONS INCLUDING: PLAN TRACING MEANS FOR PRODUCING PLAN SIGNALS REPRESENTATIVE OF THE PLAN POSITION COORDINATES OF THE SPECIFIED OBJECT WITH RESPECT TO A PARTICULAR THREE-DIMENSIONAL COORDINATE SYSTEM; ELEVATION TRACING MEANS FOR PRODUCING ELEVATION SIGNALS REPRESENTATIVE OF THE ELEVATION COORDINATES OF THE SPECIFIED OBJECT WITH RESPECT TO THE THREE-DIMENSIONAL COORDINATE SYSTEM; FIRST CIRCUIT MEANS COUPLED TO SAID PLAN TRACING MEANS AND TO SAID ELEVATION TRACING MEANS AND RESPONSIVE TO SAID PLAN AND ELEVATION SIGNALS THEREFROM FOR PRODUCING A FIRST PAIR OF CONTROL SIGNALS RESPECTIVELY RELATED TO THE COORDINATES OF A PARTICULAR ORTHORGRAPHIC REPRESENTATION OF THE SPECIFIED OBJECT WITH RESPECT TO A PARTICULAR TWO-DIMENSIONAL COORDINATE SYSTEM; SECOND CIRCUIT MEANS COUPLED TO SAID PLAN TRACING MEANS AND TO SAID ELEVATION TRACING MEANS AND RESPONSIVE TO SAID PLAN AND ELEVATION SIGNALS THEREFROM FOR PRODUCING A SECOND PAIR OF CONTROL SIGNALS RELATES TO THE COORDINATES OF A PARTICULAR
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |