US2985438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outflow control device for high heat release combustion apparatus
Assignee: TODD SHIPYARDS CORP
•
Filing: 1958-09-26
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Granted: 1961-05-23
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Expires: 1978-09-26
Abstract
No abstract record available.
Inventors
- 👤 Millard E Prowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:26
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/04; F24H3/0488; F24H9/00; F24H9/20; F24H9/2064; F24H9/2085; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US194527A
Cited
US1738176A
Cited
US2048321A
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US2164954A
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US2445466A
Cited
US2518364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |