US2764545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional septic tank
Assignee: Individual
•
Filing: 1953-11-02
•
Granted: 1956-09-25
•
Expires: 1973-11-02
Abstract
No abstract record available.
Inventors
- 👤 Primich Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:32
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US283960A
Cited
US332754A
Cited
US424951A
Cited
US1376216A
Cited
US1224913A
Cited
US2300259A
Cited
US2552885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |