US2992780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary lawn sprinkler
Assignee: Individual
•
Filing: 1957-12-26
•
Granted: 1961-07-18
•
Expires: 1977-12-26
Abstract
No abstract record available.
Inventors
- 👤 Daniel O Norland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:35
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/0417; B05B3/0425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2002178A
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US2423260A
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US2582158A
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US2610089A
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US2595114A
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US2700577A
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US2712457A
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US2712198A
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US2714037A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |