Patent US3196432A successfully refreshed from Google Patents.
US3196432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistorized door annunciator utilizing capacitor discharge
Assignee: Individual
•
Filing: 1960-09-01
•
Granted: 1965-07-20
•
Expires: 1980-09-01
Abstract
No abstract record available.
Inventors
- 👤 Winston E Kock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:01
CPC Classifications
G; G08; G08B; G08B3/00; G08B3/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2036691A
Cited
US2354699A
Cited
US2480945A
Cited
US2909771A
Cited
US2912685A
Cited
US3002187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |