Patent US3093028A successfully refreshed from Google Patents.
US3093028A
Expired / Lapsed
US
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Self-drilling and self-tapping threaded fastener
Assignee: Eaton Corp
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Filing: 1959-02-05
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Granted: 1963-06-11
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Expires: 1979-02-05
Abstract
No abstract record available.
Inventors
- 👤 Richard G Mathie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:08
CPC Classifications
F; F16; F16B; F16B25/00; F16B25/10; F16B25/103; F16B25/001; F16B25/0031; F16B25/0036; F16B25/0084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US385088A
Cited
US1408793A
Cited
US1867526A
Cited
GB615225A
Cited
GB633938A
Cited
US2654284A
Cited
GB690269A
Cited
FR1143802A
Cited
US2871752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |