Patent US539072A successfully refreshed from Google Patents.
Patent FR898076A successfully refreshed from Google Patents.
Patent US3270973A successfully refreshed from Google Patents.
US3270973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape transport mechanism for multiple tape widths
Assignee: 3M Co
•
Filing: 1964-04-21
•
Granted: 1966-09-06
•
Expires: 1984-04-21
Abstract
No abstract record available.
Inventors
- 👤 Dekker Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:54
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/28; G11B15/295
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN A TAPE TRANSPORT SYSTEM FOR QUICK CONVERSION FROM HANDLING A RELATIVELY NARROW TAPE ON A PAIR OF RELATIVELY THIN REELS TO HANDLING A RELATIVELY WIDE TAPE ON A PAIR OF RELATIVELY THICK REELS, THE COMBINATION OF: TWO HUB ASSEMBLIES TO ENGAGE AND MOUNT THE TWO PAIRS OF REELS INTERCHANGEABLY; MEANS INCLUDING A DRIVE CAPSTAN TO ENGAGE AND DRIVE THE NARROW TAPE AND THE WIDE TAPE INTERCHANGEABLY; AND A PLURALITY OF GUIDE MEANS LOCATED AND SHAPED TO GUIDE THE TAPES FROM ONE OF THE REELS TO THE DRIVE CAPSTAN AND FROM THE DRIVE CAPSTAN TO THE OTHER REEL, AT LEAST A PORTION OF EACH OF AT LEAST SOME OF THE GUIDE MEANS BEING ROTATABLE BETWEEN ONE OPERATING POSITION PRESENTING A PAIR OF SHOULDERS SPACED APART FOR SLIDINGLY CONFINING THE OPPOSITE LONGITUDINAL EDGES OF THE NARROW TAPE AND A SECOND OPERATING POSITION PRESENTING A PAIR OF SHOULDERS SPACED APART FOR SLID-
Claim 2
Dependent Claim
150 words
IN A TAPE TRANSPORT SYSTEM FOR QUICK CONVERSION FROM HANDLING A RELATIVELY NARROW TAPE ON A PAIR OF RELATIVELY THIN REELS TO HANDLING A RELATIVELY WIDE TAPE ON A PAIR OF RELATIVELY THICK REELS, THE COMBINATION OF: TWO HUB ASSEMBLIES TO ENGAGE AND MOUNT THE TWO PAIRS OF REELS INTERCHANGEABLY; MEANS INCLUDING A DRIVE CAPSTAN TO ENGAGE AND DRIVE THE NARROW TAPE AND THE WIDE TAPE INTERCHANGEABLY; AND A PLURALITY OF GUIDE MEANS LOCATED AND SHAPED TO GUIDE THE TAPES FROM ONE OF THE REELS TO THE DRIVE CAPSTAN AND FROM THE DRIVE CAPSTAN TO THE OTHER REEL, AT LEAST A PORTION OF EACH OF AT LEAST SOME OF THE GUIDE MEANS BEING ROTATABLE BETWEEN ONE OPERATING POSITION PRESENTING A PAIR OF SHOULDERS SPACED APART FOR SLIDINGLY CONFINING THE OPPOSITE LONGITUDINAL EDGES OF THE NARROW TAPE AND A SECOND OPERATING POSITION PRESENTING A PAIR OF SHOULDERS SPACED APART FOR SLID-
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |