Patent US1712763A successfully refreshed from Google Patents.
US3528626A
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Tape transport apparatus with driven tape roll means
Assignee: FRANK C BUMB JR
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Filing: 1968-11-13
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Granted: 1970-09-15
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Expires: 1988-11-13
Abstract
No abstract record available.
Inventors
- 👤 Frank C Bumb Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:00
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/22; G11B15/26; G11B15/28; G11B15/29; G11B15/46; G11B15/50; G11B15/56; Y; Y10; Y10S; Y10S242/00; Y10S242/914
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) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |