US3362039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sludge removal means for drying beds of sewage plants
Assignee: Individual
•
Filing: 1965-07-14
•
Granted: 1968-01-09
•
Expires: 1985-07-14
Abstract
No abstract record available.
Inventors
- 👤 Bahr Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:24
CPC Classifications
C; C02; C02F; C02F11/00; C02F11/12; B; B01; B01D; B01D21/00; B01D21/02; B01D21/04; B01D21/18; B01D21/24; B01D21/245; C02F11/16
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) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |