US3140033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape tension equalizer
Assignee: 3M Co
•
Filing: 1962-02-02
•
Granted: 1964-07-07
•
Expires: 1982-02-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Zivny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:31
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
IN APPARATUS FOR HANDLING RELATIVELY THIN WIDE TAPE, TAPE TENSION EQUALIZING MEANS COMPRISING A GUIDE MEMBER HAVING A SURFACE ADAPTED TO ENGAGE THE FULL WIDTH OF SAID WIDE TAPE, WHICH SURFACE IS ARCUATE IN THE LENGTHWISE DIRECTION OF THE TAPE AND HAS A STRAIGHT DIMENSION IN THE WIDTHWISE DIRECTION OF THE TAPE, AND SUPPORT MEANS AFFORDING POINT CONTACT WITH SAID GUIDE MEMBER AT ONE POINT INTERMEDIATE SAID STRAIGHT DIMENSION THEREOF AND AFFORDING CARDANIC SUPPORT FOR SAID GUIDE MEMBER.
Claim 2
Dependent Claim
78 words
IN APPARATUS FOR HANDLING RELATIVELY THIN WIDE TAPE, TAPE TENSION EQUALIZING MEANS COMPRISING A GUIDE MEMBER HAVING A SURFACE ADAPTED TO ENGAGE THE FULL WIDTH OF SAID WIDE TAPE, WHICH SURFACE IS ARCUATE IN THE LENGTHWISE DIRECTION OF THE TAPE AND HAS A STRAIGHT DIMENSION IN THE WIDTHWISE DIRECTION OF THE TAPE, AND SUPPORT MEANS AFFORDING POINT CONTACT WITH SAID GUIDE MEMBER AT ONE POINT INTERMEDIATE SAID STRAIGHT DIMENSION THEREOF AND AFFORDING CARDANIC SUPPORT FOR SAID GUIDE MEMBER.
References Cited (Backward Citations)
US1240631A
Cited
US2894702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |