US2723324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Raytheon Co
•
Filing: 1953-04-09
•
Granted: 1955-11-08
•
Expires: 1973-04-09
Abstract
No abstract record available.
Inventors
- 👤 Wilford J Barnett
- 👤 Hansen Siegfried
- 👤 Henry M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:43
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/06; H; H01; H01H; H01H37/00; H01H37/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1348338A
Cited
GB356395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |