US2922173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Purification and reclamation of liquid used in vehicle washing
Assignee: Chain Belt Co
•
Filing: 1956-07-03
•
Granted: 1960-01-26
•
Expires: 1976-07-03
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Lind
- 👤 William J Katz
- 👤 Garrett O Mcintosh
- 👤 William N Konrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:50
CPC Classifications
B; B60; B60S; B60S3/00; C; C02; C02F; C02F1/00; C02F1/40; C02F2103/00; C02F2103/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US645138A
Cited
US1934494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |