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US3048838A
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Pulse radar system with zero distance calibration
Assignee: Siemens Schweiz AG
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Filing: 1958-12-11
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Granted: 1962-08-07
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Expires: 1978-12-11
Abstract
No abstract record available.
Inventors
- 👤 Bretscher Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:16
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/40; G01S7/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |