Patent US2595090A successfully refreshed from Google Patents.
US2595090A
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Assignee: ECONOTOOL Co
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Filing: 1947-08-01
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Granted: 1952-04-29
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Expires: 1967-08-01
Abstract
No abstract record available.
Inventors
- 👤 Burton E Middleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:15
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1603; B23B27/1611; B23B27/1655; B23B2222/00; B23B2222/28; B23B2222/32; B23B2222/84; B23B2240/00; B23B2240/08; Y; Y10; Y10T; Y10T407/00; Y10T407/13; Y10T407/134; Y10T407/137; Y10T407/22; Y10T407/2214; Y10T407/227; Y10T407/28
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) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |