Patent US2698472A successfully refreshed from Google Patents.
US2698472A
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US
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Snap-in fastener
Assignee: Illinois Tool Works Inc
•
Filing: 1951-05-19
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Granted: 1955-01-04
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Expires: 1971-05-19
Abstract
No abstract record available.
Inventors
- 👤 Friedrich K Knohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:09
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/12; F16B5/123; F16B5/125; F16B5/128; Y; Y10; Y10T; Y10T24/00; Y10T24/30; Y10T24/304; Y10T24/307
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2219382A
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US2249902A
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US2249895A
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US2265957A
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US2428338A
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US2499637A
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US2598776A
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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) | 1958-01-03 | 1958-07-05 | 1959-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-03 | 1962-07-05 | 1963-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-03 | 1966-07-05 | 1967-01-04 | $7700.00 | Window Closed / Lapsed |