Patent US2943798A successfully refreshed from Google Patents.
US2943798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable spray pattern lawn sprinkler
Assignee: Individual
•
Filing: 1954-09-13
•
Granted: 1960-07-05
•
Expires: 1974-09-13
Abstract
No abstract record available.
Inventors
- 👤 George W Rienks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:42
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/26; B05B1/262; B05B1/265; Y; Y10; Y10S; Y10S239/00; Y10S239/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1271939A
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US1510930A
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US1758119A
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US1780233A
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US1847921A
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US1881409A
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US2190639A
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US2434767A
Cited
US2535723A
Cited
US2631889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |