US2876391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical circuit assembly
Assignee: Lockheed Martin Corp
•
Filing: 1953-12-09
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Granted: 1959-03-03
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Expires: 1973-12-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Royden C Sanders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:21
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/14; H05K1/144
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2754453A
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US1758399A
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US2014524A
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US2226745A
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US2474988A
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GB602492A
Cited
US2611807A
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US2611010A
Cited
US2764713A
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US2774014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |