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US2601125A
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Assignee: Illinois Tool Works Inc
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Filing: 1949-02-02
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Granted: 1952-06-17
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Expires: 1969-02-02
Abstract
No abstract record available.
Inventors
- 👤 John B O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:09
CPC Classifications
B; B42; B42F; B42F3/00; B42F3/003; B42F3/006; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/49
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1053529A
Cited
US1121151A
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US1596955A
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DE563551C
Cited
US2443522A
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US2445440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |