US2484645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw fastener
Assignee: Illinois Tool Works Inc
•
Filing: 1946-10-23
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Granted: 1949-10-11
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Expires: 1966-10-23
Abstract
No abstract record available.
Inventors
- 👤 Rudolf K F Baumle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:34
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/30; B; B21; B21H; B21H3/00; B21H3/02; B21H3/025; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |