US3141202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regularity control in machines for continuously modifying a property of a material processed thereby
Assignee: Shirley Institute
•
Filing: 1961-08-08
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Granted: 1964-07-21
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Expires: 1981-08-08
Abstract
No abstract record available.
Inventors
- 👤 Linnert Arthur
- 👤 Catling Harold
- 👤 Barr Albert E De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:00
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/32; D01H5/38; D01H5/42; D01G; D01G23/00; D01G23/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A MACHINE WHICH SO ACTS UPON A CONTINUOUS LENGTH OF MATERIAL FED TO AND THROUGH IT THAT THE VALUE OF A SELECTED CHARACTERISTIC OF THE MATERIAL IS MODIFIED DURING THE COURSE OF PASSAGE OF THE MATERIAL THROUGH THE MACHINE, A CONTROL MEANS WHICH COMPRISES: (1) MEANS FOR PRODUCING A FIRST ELECTRIC SIGNAL CONTINUOUSLY PROPORTIONAL TO THE INPUT VALUE OF SAID CHARACTERISTIC,
Claim 2
Dependent Claim
62 words
IN A MACHINE WHICH SO ACTS UPON A CONTINUOUS LENGTH OF MATERIAL FED TO AND THROUGH IT THAT THE VALUE OF A SELECTED CHARACTERISTIC OF THE MATERIAL IS MODIFIED DURING THE COURSE OF PASSAGE OF THE MATERIAL THROUGH THE MACHINE, A CONTROL MEANS WHICH COMPRISES: (1) MEANS FOR PRODUCING A FIRST ELECTRIC SIGNAL CONTINUOUSLY PROPORTIONAL TO THE INPUT VALUE OF SAID CHARACTERISTIC,
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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |