US3500048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sighting device and method for determining a line of sight to a target and the position of an object relative to the line of sight
Assignee: Eltro GmbH and Co
•
Filing: 1964-09-08
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Granted: 1970-03-10
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Expires: 1984-09-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Menke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:35
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/12; F; F41; F41G; F41G7/00; F41G7/20; F41G7/30; F41G7/301; F41G7/303
Claims Analysis
Total Claims: 0
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US3320427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |