Patent US3040307A successfully refreshed from Google Patents.
US3040307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape reading apparatus
Assignee: International Business Machines Corp
•
Filing: 1959-06-30
•
Granted: 1962-06-19
•
Expires: 1979-06-30
Abstract
No abstract record available.
Inventors
- 👤 Gerald N West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:51
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/005; G11B27/00; G11B27/10; G11B27/19; G11B27/28; G11B27/30; G11B27/3027
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |