US2573731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acid metering and atomizing nozzle
Assignee: Individual
•
Filing: 1950-12-08
•
Granted: 1951-11-06
•
Expires: 1970-12-08
Abstract
No abstract record available.
Inventors
- 👤 Milton E Ryberg
- 👤 Harold W Burney
- 👤 Fred L Joy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:26
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/01; B05B11/04; B05B11/042; B05B11/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US790318A
Cited
US1462395A
Cited
US1655678A
Cited
US1814658A
Cited
US2087139A
Cited
US2379161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-05 | 1955-05-07 | 1955-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-05 | 1959-05-07 | 1959-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-05 | 1963-05-07 | 1963-11-06 | $7700.00 | Window Closed / Lapsed |