Patent US2050866A successfully refreshed from Google Patents.
US2050866A
Expired / Lapsed
US
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Apparatus for testing the running of timepieces
Assignee: Siemens and Halske AG
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Filing: 1934-02-19
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Granted: 1936-08-11
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Expires: 1954-02-19
Abstract
No abstract record available.
Inventors
- 👤 Tamm Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:10
CPC Classifications
G; G04; G04D; G04D7/00; G04D7/12; G04D7/1207; G04D7/1214
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-08-11 | 1940-02-10 | 1940-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-08-11 | 1944-02-10 | 1944-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-08-11 | 1948-02-10 | 1948-08-11 | $7700.00 | Window Closed / Lapsed |