Patent US2649117A successfully refreshed from Google Patents.
US2649117A
Expired / Lapsed
US
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Pipe line fitting
Assignee: PAUL A DEWHIRST
•
Filing: 1946-08-30
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Granted: 1953-08-18
•
Expires: 1966-08-30
Abstract
No abstract record available.
Inventors
- 👤 Leland S Hamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:45
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/30; F16K3/312
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1890061A
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US2344594A
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US2370604A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |