US2576631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire hydrant valve operator
Assignee: Mueller Co
•
Filing: 1946-12-27
•
Granted: 1951-11-27
•
Expires: 1966-12-27
Abstract
No abstract record available.
Inventors
- 👤 Robert H Mueller
- 👤 Earl E Cline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:46
CPC Classifications
E; E03; E03B; E03B9/00; E03B9/02; Y; Y10; Y10T; Y10T137/00; Y10T137/5327; Y10T137/5456; Y10T137/5468; Y10T137/5497; Y10T137/5503; Y10T137/5532; Y10T137/8593; Y10T137/87169
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US472045A
Cited
US1072208A
Cited
US820940A
Cited
US911891A
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US931128A
Cited
US978385A
Cited
US1083307A
Cited
US1091210A
Cited
US1200961A
Cited
US1535912A
Cited
US1513516A
Cited
GB236053A
Cited
US1717392A
Cited
GB374873A
Cited
US2032881A
Cited
US2019919A
Cited
US2088426A
Cited
US2100862A
Cited
US2078782A
Cited
US2018454A
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US2417799A
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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) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |