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Patent US3009716A successfully refreshed from Google Patents.
US3009716A
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Venturi coupling apparatus
Assignee: General Dynamics Corp
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Filing: 1958-12-02
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Granted: 1961-11-21
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Expires: 1978-12-02
Abstract
No abstract record available.
Inventors
- 👤 John O Bradfute
- 👤 Pieter W Snijders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:00
CPC Classifications
F; F16; F16L; F16L29/00; F16L29/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87941; Y10T137/87949; Y10T137/87957
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE32998C
Cited
US2735696A
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US1590580A
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US2323179A
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US2512999A
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US2679408A
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US2915325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |