Patent US2359138A successfully refreshed from Google Patents.
US2359138A
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Apparatus for cleaning materials
Assignee: J E MARTIN EQUIPMENT Corp
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Filing: 1941-11-22
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Granted: 1944-09-26
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Expires: 1961-11-22
Abstract
No abstract record available.
Inventors
- 👤 John E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:03
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/08; D06F43/081; D06F43/085; B; B01; B01D; B01D29/00; B01D29/11; B01D29/13; B01D29/23; B01D29/50; B01D29/52; B01D29/96; B01D36/00; B01D36/02; D06F43/02; B01D2201/00; B01D2201/60; B01D2201/605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-09-26 | 1948-03-27 | 1948-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-09-26 | 1952-03-27 | 1952-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-09-26 | 1956-03-27 | 1956-09-26 | $7700.00 | Window Closed / Lapsed |