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US2854543A
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Assignee: Lockheed Martin Corp
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Filing: 1956-01-26
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Granted: 1958-09-30
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Expires: 1976-01-26
Abstract
No abstract record available.
Inventors
- 👤 William J Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:31
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/10; H01P1/12; H01P1/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2256770A
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US2264124A
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US2560561A
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GB608906A
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US2432230A
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US2472274A
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US2584901A
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US2725440A
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US2728827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |