Patent US2650860A successfully refreshed from Google Patents.
US2650860A
Expired / Lapsed
US
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Improvement in hollow cone spray nozzle
Assignee: Individual
•
Filing: 1949-12-16
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Granted: 1953-09-01
•
Expires: 1969-12-16
Abstract
No abstract record available.
Inventors
- 👤 Clifford H Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:15
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/34; B05B1/3405; B05B1/341; B05B1/3421; B05B1/3426
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190724870A
Cited
FR505777A
Cited
US1716174A
Cited
FR689691A
Cited
US1961408A
Cited
US2183339A
Cited
US2247897A
Cited
US2484577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |