US3272437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary pop-up sprinkler employing a fixed cam
Assignee: COSEN JAMES R
•
Filing: 1964-07-27
•
Granted: 1966-09-13
•
Expires: 1984-07-27
Abstract
No abstract record available.
Inventors
- 👤 James R Coson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:27
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/14; B05B1/16; B05B1/1609; B05B15/00; B05B15/70; B05B15/72; B05B15/74; B05B3/00; B05B3/02; B05B3/04; B05B3/0417; B05B3/0446; B05B3/0453
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A SPRINKLER HAVING A HOUSING ADAPTED TO RECEIVE FLUID UNDER PRESSURE, AND A SPRINKLER HEAD MOUNTED FOR ROTATION IN THE HOUSING; THE COMBINATION OF A NOZZLE MOUNTED ON THE HEAD HAVING AN INWARDLY DISPOSED INTAKE PORT ADAPTED TO RECEIVE FLUID FROM THE HOUSING, A VALVE ENGAGEABLE WITH THE INTAKE PORT TO CLOSE THE SAME URGED INTO CLOSED POSITION BY FLUID PRESSURE AND BY CENTRIFUGAL FORCE INCIDENT TO ROTATION OF THE HEAD, A CAM MOUNTED IN
Claim 2
Dependent Claim
76 words
IN A SPRINKLER HAVING A HOUSING ADAPTED TO RECEIVE FLUID UNDER PRESSURE, AND A SPRINKLER HEAD MOUNTED FOR ROTATION IN THE HOUSING; THE COMBINATION OF A NOZZLE MOUNTED ON THE HEAD HAVING AN INWARDLY DISPOSED INTAKE PORT ADAPTED TO RECEIVE FLUID FROM THE HOUSING, A VALVE ENGAGEABLE WITH THE INTAKE PORT TO CLOSE THE SAME URGED INTO CLOSED POSITION BY FLUID PRESSURE AND BY CENTRIFUGAL FORCE INCIDENT TO ROTATION OF THE HEAD, A CAM MOUNTED IN
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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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |