Patent US4128032A successfully refreshed from Google Patents.
US3374490A
Expired / Lapsed
US
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Apparatus for chlorination of disposal from a series of toilet bowls
Assignee: Individual
•
Filing: 1965-09-01
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Granted: 1968-03-26
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Expires: 1985-09-01
Abstract
No abstract record available.
Inventors
- 👤 Gordon R Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:08
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US960959A
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FR808773A
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US2630577A
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US2847196A
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US2817846A
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US2817091A
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US3044077A
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US3094707A
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US3182984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |