US3407935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid distribution means in apparatus for treating liquid wastes
Assignee: Microphor Inc
•
Filing: 1966-05-18
•
Granted: 1968-10-29
•
Expires: 1986-05-18
Abstract
No abstract record available.
Inventors
- 👤 Burton Robert Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:55
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/06; C02F3/10; Y; Y02; Y02W; Y02W10/00; Y02W10/10
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) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |