US2633143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrant
Assignee: Darling Vaive & Manufacturing Co
•
Filing: 1950-01-12
•
Granted: 1953-03-31
•
Expires: 1970-01-12
Abstract
No abstract record available.
Inventors
- 👤 Carl H Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:24
CPC Classifications
E; E03; E03B; E03B9/00; E03B9/02; Y; Y10; Y10T; Y10T137/00; Y10T137/5327; Y10T137/5479
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1091210A
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US1340352A
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US1669668A
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US2078782A
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US2018454A
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US2200770A
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US2296145A
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US2424331A
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US2583291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |