Patent US2515569A successfully refreshed from Google Patents.
US2515569A
Expired / Lapsed
US
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Disinfecting and deodorizing device for toilets
Assignee: LE ROY HOUGHTON
•
Filing: 1944-12-06
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Granted: 1950-07-18
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Expires: 1964-12-06
Abstract
No abstract record available.
Inventors
- 👤 John L Pozun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:21
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/02; E03D9/03; E03D9/033; E03D9/037; E03D2009/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1522517A
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US1875940A
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GB360143A
Cited
US2199094A
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US2243454A
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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) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |