US2921289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power and signal transmission system
Assignee: Lear Inc
•
Filing: 1955-09-26
•
Granted: 1960-01-12
•
Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
- 👤 Harry N Eklund
- 👤 Walter A Sauter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:43
CPC Classifications
G; G08; G08C; G08C17/00; G08C17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2039405A
Cited
US2313682A
Cited
US2384484A
Cited
US2432982A
Cited
US2609531A
Cited
US2713156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |