US2645448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balanced valve
Assignee: KENDICK Manufacturing CO Inc
•
Filing: 1949-09-28
•
Granted: 1953-07-14
•
Expires: 1969-09-28
Abstract
No abstract record available.
Inventors
- 👤 Kenly C Bugg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:13
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/14; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US218739A
Cited
US1062064A
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US1246747A
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US1442452A
Cited
US1670691A
Cited
US1784381A
Cited
US2080272A
Cited
GB444516A
Cited
US2142970A
Cited
US2173949A
Cited
US2479544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |