US3403382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Code communication system with control of remote units
Assignee: SPX Technologies Inc
•
Filing: 1965-06-08
•
Granted: 1968-09-24
•
Expires: 1985-06-08
Abstract
No abstract record available.
Inventors
- 👤 Klaus H Frielinghaus
- 👤 Arthur W Wetmore
- 👤 Appleman Larry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:24
CPC Classifications
H; H04; H04Q; H04Q9/00; H04Q9/14; B; B61; B61L; B61L7/00; B61L7/06; B61L7/08; B61L7/088; H04L; H04L1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2945915A
Cited
US3061192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |