Patent US3294109A successfully refreshed from Google Patents.
US3294109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing means for fire hydrant actuator
Assignee: Mueller Co
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Filing: 1964-01-20
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Granted: 1966-12-27
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Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 John J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:49
CPC Classifications
E; E03; E03B; E03B9/00; E03B9/02; E03B9/04; Y; Y10; Y10T; Y10T137/00; Y10T137/5327; Y10T137/5479
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A FIRE HYDRANT COMPRISING A BARREL; TOP CLOSURE MEANS DETACHABLY SECURED TO SAID BARREL; A RECIPROCATING VALVE STEM EXTENDING UPWARDLY WITHIN SAID BARREL; AN ELONGATED OPERATING NUT ROTATABLY SUPPORTED IN SAID CLOSURE MEANS AND HAVING A PORTION THEREOF THREADEDLY ENGAGED WITH THE UPPER END OF SAID STEM; A SUBSTANTIALLY RIGID SLEEVE THE ELEMENT SURROUNDING A PORTION OF SAID STEM AND A PORTION OF SAID OPERATING NUT, SAID SLEEVE ELEMENT BEING FIXEDLY ATTACHED TO SAID STEM AND BEING SLIDABLE RELATIVE TO SAID OPERATING NUT; AND SEALING MEANS BETWEEN SAID SLEEVE ELEMENT AND SAID OPERATING NUT AND BETWEEN SAID SLEEVE ELEMENT AND SAID STEM.
Claim 2
Dependent Claim
102 words
A FIRE HYDRANT COMPRISING A BARREL; TOP CLOSURE MEANS DETACHABLY SECURED TO SAID BARREL; A RECIPROCATING VALVE STEM EXTENDING UPWARDLY WITHIN SAID BARREL; AN ELONGATED OPERATING NUT ROTATABLY SUPPORTED IN SAID CLOSURE MEANS AND HAVING A PORTION THEREOF THREADEDLY ENGAGED WITH THE UPPER END OF SAID STEM; A SUBSTANTIALLY RIGID SLEEVE THE ELEMENT SURROUNDING A PORTION OF SAID STEM AND A PORTION OF SAID OPERATING NUT, SAID SLEEVE ELEMENT BEING FIXEDLY ATTACHED TO SAID STEM AND BEING SLIDABLE RELATIVE TO SAID OPERATING NUT; AND SEALING MEANS BETWEEN SAID SLEEVE ELEMENT AND SAID OPERATING NUT AND BETWEEN SAID SLEEVE ELEMENT AND SAID STEM.
References Cited (Backward Citations)
US1717392A
Cited
US2576631A
Cited
US2895708A
Cited
US3038347A
Cited
US3104554A
Cited
US3223110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |