US3296606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for machine tools utilizing magnetic recording
Assignee: Gisholt Machine Co
•
Filing: 1965-10-04
•
Granted: 1967-01-03
•
Expires: 1985-10-04
Abstract
No abstract record available.
Inventors
- 👤 Company The Northern Trust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:22
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/12; G05B19/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
A TRANSDUCER INCLUDING A FLUX SOURCE, A LINEARLY MOVING STORAGE MEMBER HAVING INTELLIGENCE RECORDED THEREON, A ROTATING DRUM ADJACENT SAID LINEARLY MOVING STORAGE MEMBER AND POSITIONED TO MODULATE SAID FLUX WHEREBY SAID RECORDED INTELLIGENCE IS TRANSLATED INTO AN ELECTRICAL CONTROL SIGNAL BY MEANS RESPONSIVE TO SAID FLUX, A DRIVE MECHANISM FOR SAID ROTATING DRUM, ELECTRICAL MEANS FOR SENSING CHANGES IN SPEED AND DIRECTION OF THE STORAGE MEMBER, AND MEANS RESPONSIVE TO SAID ELECTRICAL MEANS FOR MAINTAINING A CONSTANT DIFFERENTIAL SPEED BETWEEN THE STORAGE MEMBER AND THE ROTATING DRUM.
References Cited (Backward Citations)
US2771505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |