Patent US4663703A successfully refreshed from Google Patents.
Patent US3414671A successfully refreshed from Google Patents.
US3414671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for checking the advancement of the tape in a tape reader
Assignee: International Standard Electric Corp
•
Filing: 1963-10-16
•
Granted: 1968-12-03
•
Expires: 1983-10-16
Abstract
No abstract record available.
Inventors
- 👤 Kaare R Meisingset
- 👤 Thauland Terje
- 👤 Kvingedal Odd
- 👤 Mo Ivar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:06
CPC Classifications
H; H04; H04L; H04L13/00; H04L13/02; H04L13/06; G; G06; G06K; G06K13/00; G06K13/18; G06K13/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2142880A
Cited
US2351229A
Cited
US2860182A
Cited
US2770675A
Cited
US3019346A
Cited
US3264630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |