US2812977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pop-up lawn sprinkler
Assignee: SPRA RITE DISTRIBUTING Co
•
Filing: 1955-10-20
•
Granted: 1957-11-12
•
Expires: 1975-10-20
Abstract
No abstract record available.
Inventors
- 👤 Willis J Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:06
CPC Classifications
B; B05; B05B; B05B15/00; B05B15/70; B05B15/72; B05B15/74
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1484888A
Cited
US1681719A
Cited
US1954863A
Cited
US2125863A
Cited
US2125978A
Cited
US2501910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |