Patent US4502478A successfully refreshed from Google Patents.
US2428748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzle
Assignee: Star Sprinkler Corp
•
Filing: 1944-06-22
•
Granted: 1947-10-07
•
Expires: 1964-06-22
Abstract
No abstract record available.
Inventors
- 👤 Barz Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:55
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/34; B05B1/3405; B05B1/341; B05B1/3478; B05B1/3421; B05B1/3431; B05B1/3436
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1093996A
Cited
US1063806A
Cited
US1202051A
Cited
US1367769A
Cited
US1508281A
Cited
US2027954A
Cited
US2098136A
Cited
US2110409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |