US2952415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape transport system
Assignee: Unisys Corp
•
Filing: 1958-04-07
•
Granted: 1960-09-13
•
Expires: 1978-04-07
Abstract
No abstract record available.
Inventors
- 👤 Paul R Gilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:33
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/56; G11B15/58; G11B15/18; G11B15/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2778634A
Cited
US2792217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |