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US2992730A
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Condenser tester
Assignee: Illinois Tool Works Inc
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Filing: 1955-11-15
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Granted: 1961-07-18
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Expires: 1975-11-15
Abstract
No abstract record available.
Inventors
- 👤 Charles C Rayburn
- 👤 John R Thorson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:18
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/01; G01R31/013; G01R31/016; Y; Y10; Y10S; Y10S209/00; Y10S209/911; Y10S209/934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR483801A
Cited
US2591047A
Cited
US2668618A
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US2645341A
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US2725160A
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US2762015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |