US3269160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gauge control with update
Assignee: Allis Chalmers Corp
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Filing: 1963-08-29
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Granted: 1966-08-30
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Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 Allan C Halter
- 👤 Paul L Mcmath
- 👤 Ralph E Perrault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:18
CPC Classifications
B; B21; B21B; B21B37/00; B21B37/58; B21B37/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A CONTROL FOR A DEVICE THAT OPERATES ON A RELATIVELY MOVING SUBJECT ACCORDING TO FACTORS THAT INCLUDE THE POSITION OF THE DEVICE, MEANS FOR STORING A REFERENCE POSITION FOR SAID DEVICE, MEANS RESPONSIVE TO ONE SUBJECT LEAVING SAID DEVICE FOR POSITIONING THE DEVICE TO A SAID REFERENCE POSITION TO BEGIN OPERATING ON A SUCCEEDING SUBJECT, MEANS RESPONSIVE TO AN ERROR IN THE OPERATION ON THE SUBJECT TO CHANGE THE POSITION OF SAID DEVICE IN A DIRECTION TO CORRECT THE ERROR, AND MEANS RESPONSIVE TO THE POSITION OF THE DEVICE AND TO THE FIRST OCCURRENCE OF ZERO ERROR IN OPERATING ON THE SUBJECT TO PRODUCE AND STORE IN SAID STORAGE MEANS A NEW REFERENCE POSITION FOR SAID SUCCEEDING SUBJECT CORRESPONDING TO THE POSITION OF THE DEVICE WHEN THE ERROR IS FIRST ZERO.
Claim 2
Dependent Claim
132 words
IN A CONTROL FOR A DEVICE THAT OPERATES ON A RELATIVELY MOVING SUBJECT ACCORDING TO FACTORS THAT INCLUDE THE POSITION OF THE DEVICE, MEANS FOR STORING A REFERENCE POSITION FOR SAID DEVICE, MEANS RESPONSIVE TO ONE SUBJECT LEAVING SAID DEVICE FOR POSITIONING THE DEVICE TO A SAID REFERENCE POSITION TO BEGIN OPERATING ON A SUCCEEDING SUBJECT, MEANS RESPONSIVE TO AN ERROR IN THE OPERATION ON THE SUBJECT TO CHANGE THE POSITION OF SAID DEVICE IN A DIRECTION TO CORRECT THE ERROR, AND MEANS RESPONSIVE TO THE POSITION OF THE DEVICE AND TO THE FIRST OCCURRENCE OF ZERO ERROR IN OPERATING ON THE SUBJECT TO PRODUCE AND STORE IN SAID STORAGE MEANS A NEW REFERENCE POSITION FOR SAID SUCCEEDING SUBJECT CORRESPONDING TO THE POSITION OF THE DEVICE WHEN THE ERROR IS FIRST ZERO.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |