US2743138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray nozzle with side vented discharge end
Assignee: Spraying Systems Co
•
Filing: 1952-05-31
•
Granted: 1956-04-24
•
Expires: 1972-05-31
Abstract
No abstract record available.
Inventors
- 👤 Fred W Wahlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:31
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/02; B05B1/04; B05B1/042; B05B15/00; B05B15/14; B05B15/16; B05B7/00; B05B7/02; B05B7/04; B05B7/0416; B05B7/0425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1620754A
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US1813733A
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US1897683A
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US1889201A
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US2125445A
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US2563152A
Cited
US2641509A
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US2621078A
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US2619388A
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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) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |