Patent US3409918A successfully refreshed from Google Patents.
US3409918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water closet connection
Assignee: Individual
•
Filing: 1966-04-06
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Granted: 1968-11-12
•
Expires: 1986-04-06
Abstract
No abstract record available.
Inventors
- 👤 William L Gaddy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:19
CPC Classifications
E; E03; E03D; E03D11/00; E03D11/13; E03D11/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US302667A
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US496426A
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US939001A
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US952602A
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US1005751A
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US1084583A
Cited
US1061632A
Cited
US1067533A
Cited
US2096240A
Cited
CH357361A
Cited
US3012252A
Cited
US3311391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |