US2850333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller assembly
Assignee: Illinois Tool Works Inc
•
Filing: 1956-04-26
•
Granted: 1958-09-02
•
Expires: 1976-04-26
Abstract
No abstract record available.
Inventors
- 👤 Denver C Hamman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:50
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/38; E05F11/382; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE285038C
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US1332130A
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US1416745A
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US2610876A
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US2676043A
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US2628833A
Cited
US2699346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |