US2841353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hook fastener
Assignee: Illinois Tool Works Inc
•
Filing: 1953-07-17
•
Granted: 1958-07-01
•
Expires: 1973-07-17
Abstract
No abstract record available.
Inventors
- 👤 Hugh T Burdick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:31
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/08; A47F5/0807; A47F5/0815; A47F5/0823
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US607096A
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US1419563A
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US1416969A
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US1401809A
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US1966599A
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US2312985A
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US2640672A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |