US3060869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewage sludge disposal
Assignee: DRANO Corp
•
Filing: 1960-05-11
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Granted: 1962-10-30
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Expires: 1980-05-11
Abstract
No abstract record available.
Inventors
- 👤 Bertram B Reilly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:10
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/006; C; C02; C02F; C02F11/00; C02F11/06; F23G5/44; F23G5/442; F23G5/444; F23G2205/00; F23G2205/12; F23G2205/125; F23G2209/00; F23G2209/12; Y; Y02; Y02W; Y02W10/00; Y02W10/40
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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |