US3024980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-numeric hole checking system
Assignee: International Business Machines Corp
•
Filing: 1958-12-10
•
Granted: 1962-03-13
•
Expires: 1978-12-10
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Droege
- 👤 Herman J Klotz
- 👤 Mitchell P Marcus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:09
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; G06K7/14; G06K17/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2602544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |