Patent US2447697A successfully refreshed from Google Patents.
US2447697A
Expired / Lapsed
US
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Radiator connection hose
Assignee: Individual
•
Filing: 1944-10-23
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Granted: 1948-08-24
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Expires: 1964-10-23
Abstract
No abstract record available.
Inventors
- 👤 Orin C Gotschall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:29
CPC Classifications
F; F16; F16L; F16L33/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB114806A
Cited
US568870A
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US1847218A
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US1911570A
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US1044962A
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GB191421778A
Cited
US1394300A
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US1385821A
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US1630895A
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US2122126A
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US2219047A
Cited
US2277397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-24 | 1952-02-23 | 1952-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-24 | 1956-02-23 | 1956-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-24 | 1960-02-23 | 1960-08-24 | $7700.00 | Window Closed / Lapsed |