Patent US2962539A successfully refreshed from Google Patents.
Patent US3044479A successfully refreshed from Google Patents.
US3044479A
Expired / Lapsed
US
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Contaminate free conduit means and method of assembly thereof
Assignee: RTX Corp
•
Filing: 1960-02-26
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Granted: 1962-07-17
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Expires: 1980-02-26
Abstract
No abstract record available.
Inventors
- 👤 Robert E Meyer
- 👤 Bellak Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:23
CPC Classifications
F; F17; F17D; F17D1/00; F17D1/08; F17D1/16; F16; F16K; F16K13/00; F16K13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0402; Y10T137/0441; Y10T137/1624; Y10T137/1632; Y10T137/1692; Y10T137/1714; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49826; Y10T29/49885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1774165A
Cited
US2028576A
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US2118073A
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US2169123A
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US2933333A
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US2895492A
Cited
US2962038A
Cited
US2958545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |