US3289959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material feed control device
Assignee: —
•
Filing: —
•
Granted: 1966-12-06
•
Expires: 1983-12-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:10
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/06; B65H23/08; B65H23/085; B21; B21C; B21C47/00; B21C47/34; B65H49/00; B65H49/18; B65H49/34; B65H59/00; B65H59/38; B65H2555/00; B65H2555/20; B65H2555/23
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
103 words
A FEED CONTROL DEVICE FOR FEEDING A RUNNING LENGTH OF MATERIAL, SAID DEVICE INCLUDING A DRIVE MECHANISM FOR PAYING OFF SAID MATERIAL FROM A REEL AND A SENSING DEVICE OF SENSING THE TENSION OF THE MATERIAL AS IT LEAVES THE REEL, SAID MECHANSIM INCLUDING SHAFTING MOUNTING A MAGNETIC BRAKE AND A MAGNETIC DRIVE MEANS, SAID SENSING DEVIC INCLUDING A PAIR OF RHEOSTATS CONNECTED PRESPECTIVELY WITH SAID BRAKE AND DRIVE MEANS, A PAIR OF RHEOSTAT ARMS OPERATIVE TO INCREASE THE RESISTANCE OF ONE RHEOSTAT SIMULTANEOUSLY WITH A DECREASE OF RESISTANCE OF THE OTHER RHEOSTAT, AND MEANS RIGIDLY CONNECTING SAID ARMS WITH SAID SENSING DEVICE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |