Patent US2786261A successfully refreshed from Google Patents.
US2786261A
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Method of forming passage structure
Assignee: Garrett Corp
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Filing: 1952-10-28
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Granted: 1957-03-26
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Expires: 1972-10-28
Abstract
No abstract record available.
Inventors
- 👤 Jr John Schalyo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:06
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21D; B21D51/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49236; Y10T29/49243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1821850A
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US1796325A
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US2243464A
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US2294037A
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US2151699A
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US2673542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |