US3501090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite bladed rotors
Assignee: General Electric Co
•
Filing: 1968-01-29
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Granted: 1970-03-17
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Expires: 1988-01-29
Abstract
No abstract record available.
Inventors
- 👤 Lewis J Stoffer
- 👤 Dudley O Losee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:46
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/34; F01D5/12; F01D5/28; F01D5/282; F04; F04D; F04D29/00; F04D29/02; F04D29/023; F04D29/26; F04D29/32; F04D29/321; F05; F05B; F05B2240/00; F05B2240/20; F05B2240/33; F05D; F05D2230/00; F05D2230/50; F05D2230/53; F05D2300/00; F05D2300/40; F05D2300/44; F05D2300/60; F05D2300/603
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2855179A
Cited
DE965370C
Cited
US2857094A
Cited
US3095138A
Cited
US3025037A
Cited
US3403844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |