Patent US2925289A successfully refreshed from Google Patents.
US2925289A
Expired / Lapsed
US
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Canted ring pipe coupling
Assignee: Electrolux Corp
•
Filing: 1956-07-17
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Granted: 1960-02-16
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Expires: 1976-07-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles L Brown
- 👤 Zurkowski William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:24
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/02; A; A47; A47L; A47L9/00; A47L9/24; A47L9/242; A47L9/244; B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/102; F16B; F16B7/00; F16B7/04; F16B7/0406; F16B7/0413; F16L37/08; F16L37/084; F16L37/0844; Y; Y10; Y10S; Y10S285/00; Y10S285/902; Y10T; Y10T403/00; Y10T403/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1369687A
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US2286991A
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US2681807A
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FR1112609A
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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) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |