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Patent US2460048A successfully refreshed from Google Patents.
US2460048A
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Pressure regulating means
Assignee: Detroit Lubricator Co
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Filing: 1944-03-25
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Granted: 1949-01-25
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Expires: 1964-03-25
Abstract
No abstract record available.
Inventors
- 👤 Wangenheim Adolf Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:03
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0663; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2612; Y10T137/7722; Y10T137/7781; Y10T137/7834; Y10T137/7835; Y10T137/7836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1414323A
Cited
US1631142A
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US1472366A
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US2155698A
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US2257702A
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US2292689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-25 | 1952-07-26 | 1953-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-25 | 1956-07-26 | 1957-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-25 | 1960-07-26 | 1961-01-25 | $7700.00 | Window Closed / Lapsed |