Patent US2642297A successfully refreshed from Google Patents.
US2642297A
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Assignee: BRECO Manufacturing Co
•
Filing: 1948-09-10
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Granted: 1953-06-16
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Expires: 1968-09-10
Abstract
No abstract record available.
Inventors
- 👤 Hanna Glenn Eager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:23
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/1015; F16L37/00; F16L37/22; F16L37/23; F16L55/1007; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17128; Y10T279/17162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US751345A
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US994804A
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US1175402A
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US1456290A
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US1527383A
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US1770912A
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US1635909A
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US2069377A
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US2092116A
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US2429202A
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US2394236A
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US2466884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |