Patent US3428233A successfully refreshed from Google Patents.
US3428233A
Expired / Lapsed
US
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Drive means for tape or ribbonlike material
Assignee: Ferranti Packard Ltd
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Filing: 1966-05-09
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Granted: 1969-02-18
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Expires: 1986-05-09
Abstract
No abstract record available.
Inventors
- 👤 Paul K Hokkinen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:32
CPC Classifications
F; F16; F16D; F16D67/00; F16D67/02; F16D67/06; B; B65; B65H; B65H20/00; B65H20/02; B65H20/04
Claims Analysis
Total Claims: 0
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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) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |