US2998585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducer
Assignee: Lockheed Martin Corp
•
Filing: 1957-05-21
•
Granted: 1961-08-29
•
Expires: 1977-05-21
Abstract
No abstract record available.
Inventors
- 👤 Bodner Martin
- 👤 Ward B Brewer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:51
CPC Classifications
F; F16; F16B; F16B31/00; F16B31/02; F16B31/028; G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/2206; G01L1/2212; G01L5/00; G01L5/24; G01L5/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2636964A
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US1356404A
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US2292549A
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US2396916A
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US2467752A
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US2523464A
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US2493029A
Cited
US2678585A
Cited
US2704676A
Cited
US2920880A
Cited
US2867118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |