Patent US2942243A successfully refreshed from Google Patents.
US2942243A
Expired / Lapsed
US
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Automatic recording system
Assignee: Siemens Schuckertwerke AG
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Filing: 1955-09-02
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Granted: 1960-06-21
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Expires: 1975-09-02
Abstract
No abstract record available.
Inventors
- 👤 Bilz Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:24
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/27; G06M1/276
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1244634A
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US2098227A
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US2295533A
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US2314720A
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US2325409A
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US2444106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |