US2894425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic retaining ring with tab to facilitate removal
Assignee: Illinois Tool Works Inc
•
Filing: 1954-06-22
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Granted: 1959-07-14
•
Expires: 1974-06-22
Abstract
No abstract record available.
Inventors
- 👤 George M Rapata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:59
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/18; F16B21/186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1201082A
Cited
US1430685A
Cited
US2142590A
Cited
GB532906A
Cited
US2416852A
Cited
US2462596A
Cited
US2456355A
Cited
GB693027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |