Patent US3400615A successfully refreshed from Google Patents.
US3400615A
Expired / Lapsed
US
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Feedback apparatus
Assignee: Digital Systems Inc
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Filing: 1966-07-27
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Granted: 1968-09-10
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Expires: 1986-07-27
Abstract
No abstract record available.
Inventors
- 👤 Robert J Godlove
- 👤 Henry P Karwan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:33
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; B23B39/24; Y; Y10; Y10T; Y10T408/00; Y10T408/08; Y10T408/16; Y10T408/175; Y10T408/55; Y10T408/561; Y10T408/5617; Y10T83/00; Y10T83/162; Y10T83/166; Y10T83/169; Y10T83/171
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A FEEDBACK APPARATUS CAPABLE OF USE IN THE FABRICATION OF HOLES IN A WORKPIECE IN COMBINATION WITH A PROGRAM CONTROLLER AND A DRILLING MACHINE, THE DRILLING MACHINE HAVING AT LEAST ONE DRILL, A TABLE CAPABLE OF TWO COORDINATE TRAVEL FOR MOUNTING AT LEAST ONE WORKPIECE TO BE DRILLED, MEANS FOR POSITIONING THE TABLE AND THE WORKPIECE, MEANS FOR OPERATING THE DRILL TO DRILL A HOLE IN THE WORKPIECE, AND A PLATFORM FOR A MASTER DESCRIPTIVE OF THE DRILL PATTERN DESIRED; THE PROGRAM CONTROLLER INCLUDING MEANS FOR GENERATING A POSITION SIGNAL TO ACTUATE THE WORKPIECE POSITIONING MEANS; THE FEEDBACK APPARATUS COMPRISING: (A) A FRAME CARRIED BY THE TABLE MOUNTED FOR MOVEMENT WITH RESPECT TO THE MASTER ON THE PLATFORM TO A POSITION CORRESPONDING TO THE POSITION OF THE WORKPIECE WITH RESPECT TO THE DRILL, WHICH POSITION IS DIC-
Claim 2
Dependent Claim
137 words
A FEEDBACK APPARATUS CAPABLE OF USE IN THE FABRICATION OF HOLES IN A WORKPIECE IN COMBINATION WITH A PROGRAM CONTROLLER AND A DRILLING MACHINE, THE DRILLING MACHINE HAVING AT LEAST ONE DRILL, A TABLE CAPABLE OF TWO COORDINATE TRAVEL FOR MOUNTING AT LEAST ONE WORKPIECE TO BE DRILLED, MEANS FOR POSITIONING THE TABLE AND THE WORKPIECE, MEANS FOR OPERATING THE DRILL TO DRILL A HOLE IN THE WORKPIECE, AND A PLATFORM FOR A MASTER DESCRIPTIVE OF THE DRILL PATTERN DESIRED; THE PROGRAM CONTROLLER INCLUDING MEANS FOR GENERATING A POSITION SIGNAL TO ACTUATE THE WORKPIECE POSITIONING MEANS; THE FEEDBACK APPARATUS COMPRISING: (A) A FRAME CARRIED BY THE TABLE MOUNTED FOR MOVEMENT WITH RESPECT TO THE MASTER ON THE PLATFORM TO A POSITION CORRESPONDING TO THE POSITION OF THE WORKPIECE WITH RESPECT TO THE DRILL, WHICH POSITION IS DIC-
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |