Patent US3545202A successfully refreshed from Google Patents.
US3545202A
Expired / Lapsed
US
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Wall structure and combustion holes for a gas turbine engine
Assignee: RTX Corp
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Filing: 1969-04-02
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Granted: 1970-12-08
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Expires: 1989-04-02
Abstract
No abstract record available.
Inventors
- 👤 Richard W Batt
- 👤 Perry Goldberg
- 👤 Alexander Kurti
- 👤 Irwin Segalman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:46
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/02; F23R3/04; F23R3/06; F23R3/08; Y; Y02; Y02T; Y02T50/00; Y02T50/60
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) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |