US2161980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastically oscillating oscillator
Assignee: Telefunken AG
•
Filing: 1933-10-11
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Granted: 1939-06-13
•
Expires: 1953-10-11
Abstract
No abstract record available.
Inventors
- 👤 Runge Wilhelm
- 👤 Roosenstein Hans Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:39
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/02; H03H9/05; H03H9/09; G; G04; G04F; G04F5/00; G04F5/04; G04F5/06; G04F5/063; H03H9/0504; Y; Y10; Y10S; Y10S116/00; Y10S116/18; Y10T; Y10T29/00; Y10T29/42
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) | 1942-06-12 | 1942-12-12 | 1943-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-06-12 | 1946-12-12 | 1947-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-06-12 | 1950-12-12 | 1951-06-13 | $7700.00 | Window Closed / Lapsed |