Patent US2594243A successfully refreshed from Google Patents.
US2594243A
Expired / Lapsed
US
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Sprinkler
Assignee: Individual
•
Filing: 1947-10-13
•
Granted: 1952-04-22
•
Expires: 1967-10-13
Abstract
No abstract record available.
Inventors
- 👤 Winkler Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:27
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/14; B05B1/16; B05B1/1627; B05B1/1672; B05B1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US533113A
Cited
US748507A
Cited
US1052620A
Cited
US1364846A
Cited
US1631874A
Cited
US1807446A
Cited
US1779009A
Cited
US2117853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |