Patent US2680043A successfully refreshed from Google Patents.
US2680043A
Expired / Lapsed
US
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Shower head
Assignee: Sloan Valve Co
•
Filing: 1951-12-12
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Granted: 1954-06-01
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Expires: 1971-12-12
Abstract
No abstract record available.
Inventors
- 👤 Robert E Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:36
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/30; B05B1/3006; B05B15/00; B05B15/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US434633A
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US2049141A
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US2269901A
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US2308476A
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US2222465A
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US2454929A
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US2489542A
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US2558962A
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US2563152A
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US2583232A
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US2583233A
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US2583234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |