US2687746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-pressure diffuser
Assignee: CONNOR ENG CORP
•
Filing: 1950-09-22
•
Granted: 1954-08-31
•
Expires: 1970-09-22
Abstract
No abstract record available.
Inventors
- 👤 Peter A Argentieri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:42
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/02; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/062; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87981; Y10T137/88038
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US866762A
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US1341363A
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US1543042A
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US1802897A
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US1919856A
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US1921468A
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US2129958A
Cited
US2158737A
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US2269802A
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US2211646A
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US2238146A
Cited
US2373741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |