US2866963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Code communication system
Assignee: SPX Technologies Inc
•
Filing: 1953-12-11
•
Granted: 1958-12-30
•
Expires: 1973-12-11
Abstract
No abstract record available.
Inventors
- 👤 Nelson B Coley
- 👤 Reginald F Albrighton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:37
CPC Classifications
B; B61; B61L; B61L7/00; B61L7/06; B61L7/08; B61L7/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1632106A
Cited
US1995272A
Cited
US2067145A
Cited
US2067151A
Cited
US2114255A
Cited
US2303875A
Cited
US2397401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |