US2814774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuity and short tester
Assignee: Raytheon Co
•
Filing: 1955-12-02
•
Granted: 1957-11-26
•
Expires: 1975-12-02
Abstract
No abstract record available.
Inventors
- 👤 Wong Kam Leung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:05
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/125; G05D3/127; F; F16; F16D; F16D71/00; F16D71/04; G01; G01R; G01R31/00; G01R31/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-25 | 1961-05-27 | 1961-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-25 | 1965-05-27 | 1965-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-25 | 1969-05-27 | 1969-11-26 | $7700.00 | Window Closed / Lapsed |