Patent US2749828A successfully refreshed from Google Patents.
US2749828A
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Pressure regulating mechanism
Assignee: Garrett Corp
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Filing: 1951-07-25
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Granted: 1956-06-12
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Expires: 1971-07-25
Abstract
No abstract record available.
Inventors
- 👤 James M Kemper
- 👤 Richard A Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:34
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2258826A
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US2463487A
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US2441592A
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US2549673A
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US2513332A
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US2539575A
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US2556159A
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US2550033A
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US2669175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |