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US2684703A
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Assignee: Illinois Tool Works Inc
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Filing: 1952-05-08
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Granted: 1954-07-27
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Expires: 1972-05-08
Abstract
No abstract record available.
Inventors
- 👤 Edmond C Crowther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:18
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/284; F16B39/286; F16B37/00; F16B37/04; F16B37/044; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/966
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US704162A
Cited
US1033778A
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US1087275A
Cited
GB191228592A
Cited
US1400545A
Cited
US1812492A
Cited
US2443066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |