US2922211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick fastener unit
Assignee: Illinois Tool Works Inc
•
Filing: 1955-10-04
•
Granted: 1960-01-26
•
Expires: 1975-10-04
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:39
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/10; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/999
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2394104A
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US2486411A
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US2406007A
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US2381233A
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GB599362A
Cited
US2426857A
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US2469311A
Cited
US2571641A
Cited
US2640245A
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US2640244A
Cited
US2757429A
Cited
US2817135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |