US2460114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank flush ball and guide support
Assignee: Individual
•
Filing: 1945-03-29
•
Granted: 1949-01-25
•
Expires: 1965-03-29
Abstract
No abstract record available.
Inventors
- 👤 Warren B Zern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:05
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US306012A
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US369003A
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US1193760A
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US910958A
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US1593432A
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US1668803A
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US1676430A
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US1799770A
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US1941549A
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US2257292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-25 | 1952-07-26 | 1953-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-25 | 1956-07-26 | 1957-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-25 | 1960-07-26 | 1961-01-25 | $7700.00 | Window Closed / Lapsed |