US2666670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprinkler head
Assignee: Akzo Nobel UK PLC
•
Filing: 1950-08-15
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Granted: 1954-01-19
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Expires: 1970-08-15
Abstract
No abstract record available.
Inventors
- 👤 Vincent G Mcgraw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:51
CPC Classifications
A; A62; A62C; A62C37/00; A62C37/08; A62C37/10; B; B05; B05B; B05B1/00; B05B1/26; B05B1/262; B05B1/265; B05B1/30; B05B1/3006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US340812A
Cited
US1515664A
Cited
US1686875A
Cited
US2440608A
Cited
US2502754A
Cited
US2582527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |