US2889047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Septic tank
Assignee: CECIL COATE
•
Filing: 1956-11-30
•
Granted: 1959-06-02
•
Expires: 1976-11-30
Abstract
No abstract record available.
Inventors
- 👤 Ned C Coate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:49
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/1236; C02F3/1242; C02F3/14; C02F3/16; C02F3/165; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US802714A
Cited
FR351079A
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US1422674A
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AU648727A
Cited
US1722945A
Cited
US2090384A
Cited
US2430519A
Cited
US2726767A
Cited
US2792125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |