Patent US3462949A successfully refreshed from Google Patents.
US3462949A
Expired / Lapsed
US
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Noise reducing enclosure for a gas turbine engine
Assignee: Caterpillar Inc
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Filing: 1968-07-22
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Granted: 1969-08-26
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Expires: 1988-07-22
Abstract
No abstract record available.
Inventors
- 👤 Howard R Anderson
- 👤 Philip E Lambdin
- 👤 William A Mitchener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:33
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/24; F01; F01D; F01D15/00; F01D15/10; F02C7/20; F23; F23R; F23R3/00; F23R3/02; F23R3/04; F23R3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |