US2685050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for periodically charging one or a plurality of condensers
Assignee: Smitsvonk NV
•
Filing: 1950-06-21
•
Granted: 1954-07-27
•
Expires: 1970-06-21
Abstract
No abstract record available.
Inventors
- 👤 Smits Wytze Beye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:36
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/06; F02P3/08; F02P3/0876; F02P3/0884
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US400516A
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US1537903A
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US2392192A
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US2433650A
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US2003466A
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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) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |