US2728259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient rotary sheet metal fastener
Assignee: Illinois Tool Works Inc
•
Filing: 1953-04-23
•
Granted: 1955-12-27
•
Expires: 1973-04-23
Abstract
No abstract record available.
Inventors
- 👤 Poupitch Ougljesa Jules
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:53
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/06; Y; Y10; Y10T; Y10T24/00; Y10T24/30; Y10T24/304; Y10T24/307; Y10T24/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2032315A
Cited
FR789664A
Cited
US2188026A
Cited
US2165412A
Cited
US2208878A
Cited
US2340250A
Cited
US2509192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |