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US2601559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pattern sprinkler
Assignee: Individual
•
Filing: 1950-06-28
•
Granted: 1952-06-24
•
Expires: 1970-06-28
Abstract
No abstract record available.
Inventors
- 👤 Royal N Riblet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:57
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/0417; B05B3/0425; B05B3/0446; B05B3/0453; Y; Y10; Y10S; Y10S239/00; Y10S239/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1637413A
Cited
US2475537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |