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Patent US2771573A successfully refreshed from Google Patents.
US2771573A
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Remote control follow-up system for positioning a controlled unit by a control unit
Assignee: Saab Bofors AB
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Filing: 1952-06-14
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Granted: 1956-11-20
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Expires: 1972-06-14
Abstract
No abstract record available.
Inventors
- 👤 Blomqvist Ake Hugo Petrus
- 👤 Lindegren Per Ake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:22
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/121; B; B41; B41B; B41B27/00; B41B27/02; B41B27/10; B41B27/12; B41B27/14; G05D3/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2421230A
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US2528486A
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US2448387A
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US2596698A
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US2673314A
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US2670456A
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US2679622A
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US2668264A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |