US2741730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric condenser
Assignee: Robert Bosch GmbH
•
Filing: 1951-12-11
•
Granted: 1956-04-10
•
Expires: 1971-12-11
Abstract
No abstract record available.
Inventors
- 👤 Maylandt Helmut
- 👤 Strab Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:53
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/005; H01G4/015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1784611A
Cited
US2088949A
Cited
GB453939A
Cited
US2386659A
Cited
US2399313A
Cited
US2614524A
Cited
GB618934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |