US2647768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank fill connection
Assignee: CLEVELAND BRASS MANUFACTURING Co
•
Filing: 1949-05-19
•
Granted: 1953-08-04
•
Expires: 1969-05-19
Abstract
No abstract record available.
Inventors
- 👤 Fred W Exton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:47
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/24; F16L37/244; F16L37/252
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1525794A
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US2119331A
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US2041762A
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US2419702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |