US3052232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage sensing apparatus
Assignee: RCA Corp
•
Filing: 1961-02-23
•
Granted: 1962-09-04
•
Expires: 1981-02-23
Abstract
No abstract record available.
Inventors
- 👤 Vladimir K Zworykin
- 👤 Fred L Hatke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:31
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/24; A61B5/30; A61B5/302; A61B5/25; A61B5/279; A61B5/28; A61B5/282
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1600296A
Cited
US1154934A
Cited
US1282908A
Cited
US1494586A
Cited
US1748403A
Cited
US2712975A
Cited
US2744521A
Cited
US2712309A
Cited
US2994324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |