US2668259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical circuit
Assignee: Raytheon Co
•
Filing: 1950-02-16
•
Granted: 1954-02-02
•
Expires: 1970-02-16
Abstract
No abstract record available.
Inventors
- 👤 Paul W Stutsman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:39
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/02; H05B41/04; H05B41/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22503E
Cited
US1275890A
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GB311282A
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US1984489A
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US2129383A
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US2056661A
Cited
US2180815A
Cited
US2155816A
Cited
US2181294A
Cited
US2266619A
Cited
US2465059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |