US2853112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locked bolt and shear resisting grommet means
Assignee: Illinois Tool Works Inc
•
Filing: 1954-04-27
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Granted: 1958-09-23
•
Expires: 1974-04-27
Abstract
No abstract record available.
Inventors
- 👤 Poupitch Ougljesa Jules
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:52
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/32; F16B21/00; F16B21/10; F16B21/16; F16B21/165; F16B5/00; F16B5/02; F16B5/0208; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/949; Y10S411/999
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2662260A
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US2640244A
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US2758625A
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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) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |