US3508403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbofan engines
Assignee: General Electric Co
•
Filing: 1968-03-28
•
Granted: 1970-04-28
•
Expires: 1988-03-28
Abstract
No abstract record available.
Inventors
- 👤 Robert E Neitzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:18
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/38; F02K1/386; F02K3/00; F02K3/02; F02K3/04; F02K3/075; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3118276A
Cited
US2529973A
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US2978865A
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US2929203A
Cited
US2999672A
Cited
US3048376A
Cited
US3196608A
Cited
US3196609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |