US3057552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical apparatus for reading indicia appearing on a record medium
Assignee: Unisys Corp
•
Filing: 1958-08-14
•
Granted: 1962-10-09
•
Expires: 1978-08-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter Hanstein
- 👤 Richard H Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:27
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; G06K7/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB686642A
Cited
US2254932A
Cited
US2294734A
Cited
US2337553A
Cited
US2382251A
Cited
US2710934A
Cited
US2724014A
Cited
US2742631A
Cited
US2848535A
Cited
US2783454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |