Patent US291245A successfully refreshed from Google Patents.
Patent US1503145A successfully refreshed from Google Patents.
US1503145A
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Valve
Assignee: WEST BEND ALUMINIUM Co
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Filing: 1921-08-08
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Granted: 1924-07-29
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Expires: 1941-08-08
Abstract
No abstract record available.
Inventors
- 👤 Robert H Wentorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:59
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/08; A47J27/09; F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0446
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1927-07-29 | 1928-01-28 | 1928-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-07-29 | 1932-01-28 | 1932-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-07-29 | 1936-01-28 | 1936-07-29 | $7700.00 | Window Closed / Lapsed |