US2855559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage rectifying systems
Assignee: RCA Corp
•
Filing: 1953-08-19
•
Granted: 1958-10-07
•
Expires: 1973-08-19
Abstract
No abstract record available.
Inventors
- 👤 Hunter C Goodrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:03
CPC Classifications
H; H03; H03G; H03G3/00; G; G01; G01R; G01R19/00; G01R19/22; H04; H04N; H04N5/00; H04N5/44; H04N5/52; H04N5/53
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1982007A
Cited
US2358391A
Cited
US2474580A
Cited
US2654799A
Cited
US2615089A
Cited
US2600172A
Cited
US2693568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |