US2588535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing and the extraction of wash water
Assignee: Individual
•
Filing: 1944-12-23
•
Granted: 1952-03-11
•
Expires: 1964-12-23
Abstract
No abstract record available.
Inventors
- 👤 Leo M Kahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:34
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/08; D06F39/088; D06F23/00; D06F23/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US323073A
Cited
US886358A
Cited
US2161208A
Cited
US2187770A
Cited
US2296257A
Cited
US2230345A
Cited
US2296267A
Cited
US2296258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |