US2478052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hose coupler
Assignee: Stewart Warner Corp
•
Filing: 1945-10-03
•
Granted: 1949-08-02
•
Expires: 1965-10-03
Abstract
No abstract record available.
Inventors
- 👤 George H Palm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:09
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/28; F16L37/38; F16L37/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US28548A
Cited
US37721A
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US464386A
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US592899A
Cited
DE518306C
Cited
DE582136C
Cited
US2044252A
Cited
US2102774A
Cited
US2248701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |