Patent US2894263A successfully refreshed from Google Patents.
US2894263A
Expired / Lapsed
US
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Flooding control device for toilet commodes
Assignee: Individual
•
Filing: 1958-07-25
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Granted: 1959-07-14
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Expires: 1978-07-25
Abstract
No abstract record available.
Inventors
- 👤 Gerhardt P Kunkel
- 👤 Fred K Koeppel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:34
CPC Classifications
E; E03; E03D; E03D11/00; Y; Y02; Y02A; Y02A10/00; Y02A10/30; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1213743A
Cited
US2327602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |