US2617035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiband oscillator
Assignee: Hartford National Bank and Trust Co
•
Filing: 1948-02-07
•
Granted: 1952-11-04
•
Expires: 1968-02-07
Abstract
No abstract record available.
Inventors
- 👤 Janssen Johannes Mar Lodevicus
- 👤 Ensing Lukas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:33
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/08; H03B5/10; H03J; H03J5/00; H03J5/24; H03J5/242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1597420A
Cited
GB264239A
Cited
US1943790A
Cited
US2061991A
Cited
US2283653A
Cited
US2279319A
Cited
US2355470A
Cited
US2398112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |