Patent US2834833A successfully refreshed from Google Patents.
US2834833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic commutated channel separators
Assignee: Raytheon Co
•
Filing: 1952-11-21
•
Granted: 1958-05-13
•
Expires: 1972-11-21
Abstract
No abstract record available.
Inventors
- 👤 Carl A Segerstrom
- 👤 Conrad H Hoeppner
- 👤 Abate Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:39
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/06; H04J3/04; H04J3/042; H04L; H04L5/00; H04L5/22; H04L5/24; H04L5/245
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2508620A
Cited
US2471138A
Cited
US2537056A
Cited
US2541932A
Cited
US2609451A
Cited
US2570716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |