US2894248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Border follower system
Assignee: Unisys Corp
•
Filing: 1957-05-06
•
Granted: 1959-07-07
•
Expires: 1977-05-06
Abstract
No abstract record available.
Inventors
- 👤 Matthew J Relis
- 👤 Yuni William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:51
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/10; G06V10/20; G06V10/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2596741A
Cited
US2706215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |