Patent US3702173A successfully refreshed from Google Patents.
US3702173A
Expired / Lapsed
US
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Sprinkler head
Assignee: Individual
•
Filing: 1971-02-19
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Granted: 1972-11-07
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Expires: 1991-02-19
Abstract
Abstract A SPRINGLER HEAD COMPRISING A MAIN BODY HOUSING, HAVING A THREADED CAP MEMBER SECURED TO THE UPPER END THEREOF, ADAPTED WITH AN OPENING THEREIN TO RECEIVE A SLEEVE MEMBER WHICH IS SLIDABLY DISPOSED WITHIN THE OPENING, AND A CORE ASSEMBLY BEING ADAPTED TO BE ROTATABLY SECURED WITHIN THE SLEEVE MEMBER, THE CORE ASSEMBLY BEING PROVIDED WITH A FRICTIONAL CLUTCH ASSEMBLY WHICH INCLUDES A PLURALITY OF SLIP RINGS, A SPRING AND A LOCK RING WHEN AXIALLY ALIGNED WITHIN THE SLEEVE MEMBER, ALLOWING THE CORE OR NOZZLE MEMBER TO ROTATE BY MEANS OF A BALL STRIKING A BASE PORTION OF THE CORE ASSEMBLY.
Inventors
- 👤 Elmer N Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:05
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/02; B05B1/08; B05B1/083; B05B1/085; B05B1/0856; B05B15/00; B05B15/70; B05B15/72; B05B15/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-07 | 1976-05-08 | 1976-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-07 | 1980-05-08 | 1980-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-07 | 1984-05-08 | 1984-11-07 | $7700.00 | Window Closed / Lapsed |