Patent US3188367A successfully refreshed from Google Patents.
Patent US2773643A successfully refreshed from Google Patents.
US2773643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deyices for following a movable object
Assignee: Arenco AB
•
Filing: 1951-09-25
•
Granted: 1956-12-11
•
Expires: 1971-09-25
Abstract
No abstract record available.
Inventors
- 👤 Teiling Torbern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:56
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/66; F; F41; F41G; F41G5/00; F41G5/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB164765A
Cited
US2340865A
Cited
US2578202A
Cited
US2492355A
Cited
US2567665A
Cited
US2414819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |