US2881337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustically treated motor
Assignee: General Electric Co
•
Filing: 1957-07-01
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Granted: 1959-04-07
•
Expires: 1977-07-01
Abstract
No abstract record available.
Inventors
- 👤 Robert L Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:45
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/02; F16L55/027; F16L55/0279; F16L55/033; G; G10; G10K; G10K11/00; G10K11/16; G10K11/172
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH94086A
Cited
US2116751A
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US2161027A
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US2252256A
Cited
US2225398A
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US2508207A
Cited
US2731194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |