US3423766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitation system
Assignee: LEROY O EGER
•
Filing: 1965-10-13
•
Granted: 1969-01-28
•
Expires: 1985-10-13
Abstract
No abstract record available.
Inventors
- 👤 Leroy O Eger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:28
CPC Classifications
E; E03; E03D; E03D11/00; E03D11/02; E03D11/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303358A
Cited
US1081130A
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US2740971A
Cited
US3067433A
Cited
US3042933A
Cited
US3183525A
Cited
US3112497A
Cited
FR1355440A
Cited
US3289214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |