Patent US3258184A successfully refreshed from Google Patents.
US3258184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape transport apparatus
Assignee: GTE Sylvania Inc
•
Filing: 1964-04-20
•
Granted: 1966-06-28
•
Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Michael B Altobelli
- 👤 John M O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:56
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/28; G11B15/285; G11B15/60; G11B15/605
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
FOR A PNEUMATIC TAPE TRANSPORTING SYSTEM IN WHICH THE TAPE IS DRIVEN BY DIRECTING AIR UNDER PRESSURE ONTO THE TAPE TO FORCE IT AGAINST A CONTINUOISLY ROTATING CAPSTAN, AN IMPROVED CAPSTAN COMPRISING, A DIGHT-CURCULAR CYLINDRICAL MEMBER HAVING A PLURALITY OF PARALLEL GROOVES FORMED IN THE PERIPHERAL SURFACE THEREOF AND FORMING THEREBETWEEN A LIKE PLURALITY OF SPLINES, SAID GROOVES BEING ORIENTED PARALLEL TO THE AXIS OF SAID MEMBER AND SUBSTANTIALLY COEXTENSIVE WITH THE LENGTH OF SAID MEMBER, AND CLOSURE MEANS AT EACH OF EACH OF SAID GROOVES CLOSING THE ENDS OF EACH OF SAID GROOVES FROM THE BOTTOM THEREOF TO A HEIGHT SLIGHTLY LESS THAN THE DEPTH OF SAID SLOTS.
Claim 2
Dependent Claim
109 words
FOR A PNEUMATIC TAPE TRANSPORTING SYSTEM IN WHICH THE TAPE IS DRIVEN BY DIRECTING AIR UNDER PRESSURE ONTO THE TAPE TO FORCE IT AGAINST A CONTINUOISLY ROTATING CAPSTAN, AN IMPROVED CAPSTAN COMPRISING, A DIGHT-CURCULAR CYLINDRICAL MEMBER HAVING A PLURALITY OF PARALLEL GROOVES FORMED IN THE PERIPHERAL SURFACE THEREOF AND FORMING THEREBETWEEN A LIKE PLURALITY OF SPLINES, SAID GROOVES BEING ORIENTED PARALLEL TO THE AXIS OF SAID MEMBER AND SUBSTANTIALLY COEXTENSIVE WITH THE LENGTH OF SAID MEMBER, AND CLOSURE MEANS AT EACH OF EACH OF SAID GROOVES CLOSING THE ENDS OF EACH OF SAID GROOVES FROM THE BOTTOM THEREOF TO A HEIGHT SLIGHTLY LESS THAN THE DEPTH OF SAID SLOTS.
References Cited (Backward Citations)
US2954911A
Cited
US3122295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |