Patent US3423024A successfully refreshed from Google Patents.
US3423024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow restrictor for lawn sprinkler
Assignee: AIRCAP REALTY ASSOCIATES
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Filing: 1966-11-03
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Granted: 1969-01-21
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Expires: 1986-11-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick Morawetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:18
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/0417; B05B3/0432; B05B3/0438; B05B1/00; B05B1/14; B05B1/20; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87708; Y10T137/8778; Y10T137/87877
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US150595A
Cited
US379392A
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US703327A
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US1517664A
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US1657538A
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US3010478A
Cited
US3115305A
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US3275242A
Cited
US3282509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |