US2797906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible aerators
Assignee: Individual
•
Filing: 1953-11-23
•
Granted: 1957-07-02
•
Expires: 1973-11-23
Abstract
No abstract record available.
Inventors
- 👤 Elie P Aghnides
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:37
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/08; E03C1/084; Y; Y10; Y10S; Y10S261/00; Y10S261/22; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87788
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2316832A
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US2210846A
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US2333767A
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US2359455A
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US2388508A
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US2447123A
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US2395227A
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US2487023A
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US2603469A
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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) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |