US2945989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plug-in circuit units
Assignee: Electronic Engineering Company of California
•
Filing: 1957-08-15
•
Granted: 1960-07-19
•
Expires: 1977-08-15
Abstract
No abstract record available.
Inventors
- 👤 Otto F Vogel
- 👤 Robert B Bonney
- 👤 Lloyd S Preston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:48
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/14; H05K7/1461
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2158868A
Cited
US2411528A
Cited
US2486764A
Cited
US2764713A
Cited
US2760122A
Cited
US2788470A
Cited
US2864977A
Cited
US2823372A
Cited
US2885603A
Cited
US2794155A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |