US3258776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: DOBBIE MCINNES ELECTRONICS Ltd
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Filing: 1964-01-09
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Granted: 1966-06-28
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Expires: 1984-01-09
Abstract
No abstract record available.
Inventors
- 👤 Boyle Archibald Raymond
- 👤 Glass Thomas Mcpherson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:03
CPC Classifications
G; G01; G01D; G01D9/00; G01D9/40; B; B43; B43L; B43L13/00; B43L13/02; B43L13/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
PLOTTING APPARATUS COMPRISING AN ELECTRONIC CONTROL SYSTEM, A MAIN GANTRY SYSTEM MOVABLE UNDER THE CONTROL OF THE CONTROL SYSTEM AND COMPRISING A GANTRY AND A TROLLEY, SAID GANTRY AND TROLLEY BEING EACH PROVIDED WITH POSITION-LOCATING MEANS ACTUABLE TO POSITION THE MAIN GANTRY SYSTEM POSITIVELY IN ONE OF A NUMBER OF ACCURATELY LOCATED AND MECHANICALLY DEFINED POSITIONS, MEANS DEFINING SAID POSITIONS COMPRISING A BAR HAVING GROOVES THEREIN, SAID LOCATING MEANS FOR LOCATING SAID MAIN GANTRY SYSTEM IN SAID POSITIONS COMPRISING AN ACTUATOR, AT LEAST ONE CLAMPING MEMBER MOVABLE BY THE ACTUATOR INTO A SAID GROOVE, A SECONDARY GANTRY SYSTEM COMPRISING A GANTRY AND A TROLLEY AND MOVABLE ON THE MAIN TROLLEY UNDER THE CONTROL OF SAID CONTROL SYSTEM, AND A PLOTTING HEAD MOUNTED ON THE SECONDARY TROLLEY.
Claim 2
Dependent Claim
126 words
PLOTTING APPARATUS COMPRISING AN ELECTRONIC CONTROL SYSTEM, A MAIN GANTRY SYSTEM MOVABLE UNDER THE CONTROL OF THE CONTROL SYSTEM AND COMPRISING A GANTRY AND A TROLLEY, SAID GANTRY AND TROLLEY BEING EACH PROVIDED WITH POSITION-LOCATING MEANS ACTUABLE TO POSITION THE MAIN GANTRY SYSTEM POSITIVELY IN ONE OF A NUMBER OF ACCURATELY LOCATED AND MECHANICALLY DEFINED POSITIONS, MEANS DEFINING SAID POSITIONS COMPRISING A BAR HAVING GROOVES THEREIN, SAID LOCATING MEANS FOR LOCATING SAID MAIN GANTRY SYSTEM IN SAID POSITIONS COMPRISING AN ACTUATOR, AT LEAST ONE CLAMPING MEMBER MOVABLE BY THE ACTUATOR INTO A SAID GROOVE, A SECONDARY GANTRY SYSTEM COMPRISING A GANTRY AND A TROLLEY AND MOVABLE ON THE MAIN TROLLEY UNDER THE CONTROL OF SAID CONTROL SYSTEM, AND A PLOTTING HEAD MOUNTED ON THE SECONDARY TROLLEY.
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |