US2796176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewage disposal apparatus
Assignee: Individual
•
Filing: 1952-11-19
•
Granted: 1957-06-18
•
Expires: 1972-11-19
Abstract
No abstract record available.
Inventors
- 👤 Arnold A Monson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:58
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1102674A
Cited
US1204462A
Cited
US1401182A
Cited
US1574603A
Cited
US1695217A
Cited
US1695443A
Cited
US2069058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |