Patent US3298388A successfully refreshed from Google Patents.
US3298388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Draining sprinkler connectors
Assignee: J B KNIGHT CO Inc
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Filing: 1966-01-03
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Granted: 1967-01-17
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Expires: 1986-01-03
Abstract
No abstract record available.
Inventors
- 👤 Rufus J Purtell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:26
CPC Classifications
A; A01; A01G; A01G25/00; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7043; Y10T137/7062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A DRAINING CONNECTOR COMPRISING: (A) A HOLLOW BODY, (B) A COUPLING ON THE HOLLOW BODY ADAPTED TO CONNECT IT TO A TUBE TO SUPPLY WATER THERETO, (C) A SECOND COUPLING ON THE HOLLOW BODY AT RIGHT ANGLES TO THE FIRST COUPLING ADAPTED TO CONNECT A SPRINKLER THERETO, (D) THE HOLLOW BODY HAVING AN UNDERSIDE, SAID UNDERSIDE EXTENDING TO THE REAR OF THE HOLLOW BODY TO FORM A FOOT THEREBEHIND, (E) THE REAR PORTION OF SAID FOOT BEING ANGLED UPWARD THEREFROM, (F) THE HOLLOW BODY HAVING A BACK SURFACE THERETO EXTENDING UPWARD FROM THE UNDERSIDE, (G) THE BACK SURFACE HAVING A HOLE THERETHROUGH NEAR THE BOTTOM THEREOF, AND (H) RESILIENT VALVE MEANS EXTENDING THROUGH THE HOLE FOR CLOSING THE HOLE RESPONSIVE TO PRESSURE IN THE HOLLOW BODY.
Claim 2
Dependent Claim
126 words
A DRAINING CONNECTOR COMPRISING: (A) A HOLLOW BODY, (B) A COUPLING ON THE HOLLOW BODY ADAPTED TO CONNECT IT TO A TUBE TO SUPPLY WATER THERETO, (C) A SECOND COUPLING ON THE HOLLOW BODY AT RIGHT ANGLES TO THE FIRST COUPLING ADAPTED TO CONNECT A SPRINKLER THERETO, (D) THE HOLLOW BODY HAVING AN UNDERSIDE, SAID UNDERSIDE EXTENDING TO THE REAR OF THE HOLLOW BODY TO FORM A FOOT THEREBEHIND, (E) THE REAR PORTION OF SAID FOOT BEING ANGLED UPWARD THEREFROM, (F) THE HOLLOW BODY HAVING A BACK SURFACE THERETO EXTENDING UPWARD FROM THE UNDERSIDE, (G) THE BACK SURFACE HAVING A HOLE THERETHROUGH NEAR THE BOTTOM THEREOF, AND (H) RESILIENT VALVE MEANS EXTENDING THROUGH THE HOLE FOR CLOSING THE HOLE RESPONSIVE TO PRESSURE IN THE HOLLOW BODY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |