Patent US3085371A successfully refreshed from Google Patents.
US3085371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision positioning apparatus
Assignee: Bell and Howell Co
•
Filing: 1960-08-08
•
Granted: 1963-04-16
•
Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 Lessman Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:11
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/42; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/56; B23Q1/60; B23Q1/601; B23Q23/00; B24; B24B; B24B13/00; B24B13/04; B24B13/046; B24B47/00; B24B47/02; B24B47/04; B24B47/22; G05B2219/00; G05B2219/30; G05B2219/41; G05B2219/41066; G05B2219/42; G05B2219/42186
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
78 words
IN A MACHINE CONTROL, A FEED CARRIAGE, A TOOL CARRIAGE, MEANS CONNECTING THE TOOL CARRIAGE FOR DRIVING MOVEMENT BY THE FEED CARRIAGE, MEANS FOR ADVANCING THE FEED CARRIAGE, AN ELECTROSTATIC MEASURING NUT CARRIED BY THE TOOL CARRIAGE, AN ELECTROSTATIC MEASURING SCREW ROTATABLE IN SYNCHRONISM WITH THE ADVANCING MEANS, CIRCUIT MEANS CONNECTED TO THE NUT AND THE SCREW FOR SENSING ERROR IN THE ADVANCEMENT OF THE NUT, AND TRANSDUCER MEANS ACTUATED BY THE CIRCUIT MEANS TO ADJUST THE POSITION
References Cited (Backward Citations)
US2611964A
Cited
US2843975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |