US2985874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-contained panel signal and control
Assignee: Transistor Electronics Corp
•
Filing: 1958-11-14
•
Granted: 1961-05-23
•
Expires: 1978-11-14
Abstract
No abstract record available.
Inventors
- 👤 Gerald I Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:58
CPC Classifications
F; F21; F21S; F21S8/00; F21W; F21W2111/00; Y; Y10; Y10S; Y10S174/00; Y10S174/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2072635A
Cited
DE889620C
Cited
US2334579A
Cited
US2585794A
Cited
US2575821A
Cited
US2647222A
Cited
US2740111A
Cited
US2847559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |