US3391868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary sprinkler with variable range
Assignee: RALPH D COONEY
•
Filing: 1966-02-17
•
Granted: 1968-07-09
•
Expires: 1986-02-17
Abstract
No abstract record available.
Inventors
- 👤 Ralph D Cooney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:30
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/0455; B05B3/0417; B05B3/0446; B05B3/0453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2654635A
Cited
US2999645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |