US3487015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for treating waste fluids
Assignee: Individual
•
Filing: 1968-04-22
•
Granted: 1969-12-30
•
Expires: 1988-04-22
Abstract
No abstract record available.
Inventors
- 👤 Carl F Boester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:56
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/1236; C02F3/1242; C02F3/006; C02F3/30; C02F11/00; C02F11/18; C02F11/185; C02F2103/00; C02F2103/005; Y; Y02; Y02W; Y02W10/00; Y02W10/10; Y10; Y10S; Y10S4/00; Y10S4/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |