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Patent US2144064A successfully refreshed from Google Patents.
US2144064A
Expired / Lapsed
US
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Balancing device for extractors
Assignee: American Laundry Machinery Co
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Filing: 1936-01-27
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Granted: 1939-01-17
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Expires: 1956-01-27
Abstract
No abstract record available.
Inventors
- 👤 George W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:26
CPC Classifications
B; B04; B04B; B04B9/00; B04B9/12; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2131
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) | 1942-01-16 | 1942-07-18 | 1943-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-01-16 | 1946-07-18 | 1947-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-01-16 | 1950-07-18 | 1951-01-17 | $7700.00 | Window Closed / Lapsed |