US2656218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray nozzle
Assignee: Individual
•
Filing: 1949-07-21
•
Granted: 1953-10-20
•
Expires: 1969-07-21
Abstract
No abstract record available.
Inventors
- 👤 John F Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:56
CPC Classifications
B; B05; B05B; B05B12/00; F; F02; F02M; F02M61/00; F02M61/04; F02M61/10; F02M2700/00; F02M2700/07; F02M2700/074; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7846
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE499937C
Cited
US1737155A
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US1833080A
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FR837789A
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US2439832A
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US2434151A
Cited
US2408680A
Cited
GB579417A
Cited
US2498482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |