US3044341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drilling, reaming and tapping screw
Assignee: Illinois Tool Works Inc
•
Filing: 1959-09-16
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Granted: 1962-07-17
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Expires: 1979-09-16
Abstract
No abstract record available.
Inventors
- 👤 Stern William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:25
CPC Classifications
F; F16; F16B; F16B25/00; F16B25/10; F16B25/103; F16B25/001; F16B25/0031; F16B25/0036; F16B25/0042; F16B25/0047; F16B25/0078; F16B25/0084; Y; Y10; Y10S; Y10S408/00; Y10S408/703; Y10T; Y10T408/00; Y10T408/89; Y10T408/895; Y10T408/8953; Y10T408/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2255997A
Cited
US2654284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |