US3393878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatically threaded tape drive
Assignee: International Business Machines Corp
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Filing: 1966-08-26
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Granted: 1968-07-23
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Expires: 1986-08-26
Abstract
No abstract record available.
Inventors
- 👤 Jesse I Aweida
- 👤 Robert B Humphrey
- 👤 Anthony W Orlando
- 👤 Popp George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:42
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/107; B; B65; B65H; B65H5/00; B65H5/22; B65H5/36; B65H5/38; G11B15/00; G11B15/18; G11B15/38; G11B15/56; G11B15/58; G11B15/60; G11B15/66; G11B15/662; G11B15/67; G11B15/671; G11B23/027
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) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |