US3285529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape tensioning device
Assignee: Collins Radio Co
•
Filing: 1964-06-29
•
Granted: 1966-11-15
•
Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Melvin L Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:37
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
TAPE TENSIONING MEANS COMPRISING: FIRST AND SECOND UNPOWERED ROLLER MEANS POSITIONED SIDE BY SIDE WITH THEIR AXES OF ROTATION PARALLEL TO ONE ANOTHER, MEANS FOR PRESSING THE CIRCUMFERENTIAL PERIMETERS OF SAID ROLLERS TOGETHER TO GRIP A TAPE POSITIONED THEREBETWEEN, COUPLING MEANS CONSTRUCTED TO MAINTAIN A FIXED RATIO, OTHER THAN UNITY, OF THE CIRCUMFERENTIAL VELOCITIES OF SAID FIRST AND SECOND ROLLERS, WHEN EITHER OF SAID ROLLERS IS CAUSED TO ROTATE BY A TAPE BEING PULLED THERETHROUGH, AND MEANS FOR PULLING SAID TAPE BETWEEN SAID ROLLERS.
Claim 2
Dependent Claim
84 words
TAPE TENSIONING MEANS COMPRISING: FIRST AND SECOND UNPOWERED ROLLER MEANS POSITIONED SIDE BY SIDE WITH THEIR AXES OF ROTATION PARALLEL TO ONE ANOTHER, MEANS FOR PRESSING THE CIRCUMFERENTIAL PERIMETERS OF SAID ROLLERS TOGETHER TO GRIP A TAPE POSITIONED THEREBETWEEN, COUPLING MEANS CONSTRUCTED TO MAINTAIN A FIXED RATIO, OTHER THAN UNITY, OF THE CIRCUMFERENTIAL VELOCITIES OF SAID FIRST AND SECOND ROLLERS, WHEN EITHER OF SAID ROLLERS IS CAUSED TO ROTATE BY A TAPE BEING PULLED THERETHROUGH, AND MEANS FOR PULLING SAID TAPE BETWEEN SAID ROLLERS.
References Cited (Backward Citations)
US1539754A
Cited
US1998931A
Cited
US1986776A
Cited
US2057553A
Cited
US2102793A
Cited
US2373107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |