US2942330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an electrically heated protective covering for an airfoil
Assignee: Goodrich Corp
•
Filing: 1954-03-01
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Granted: 1960-06-28
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Expires: 1974-03-01
Abstract
No abstract record available.
Inventors
- 👤 Marvin B Luke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:17
CPC Classifications
B; B64; B64D; B64D15/00; B64D15/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1519522A
Cited
CA462237A
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US2283880A
Cited
US2503457A
Cited
US2575987A
Cited
US2619580A
Cited
US2657161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |