Patent US2849047A successfully refreshed from Google Patents.
US2849047A
Expired / Lapsed
US
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Pressure control system
Assignee: Motors Liquidation Co
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Filing: 1954-06-15
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Granted: 1958-08-26
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Expires: 1974-06-15
Abstract
No abstract record available.
Inventors
- 👤 Adam S Lamont
- 👤 Edwin T Todd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:39
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/001; B60C23/003; B60C23/00372; B60C23/00354; B60C23/00363
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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |