US3017689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-skid tread plate
Assignee: United States Steel Corp
•
Filing: 1958-03-27
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Granted: 1962-01-23
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Expires: 1978-03-27
Abstract
No abstract record available.
Inventors
- 👤 Harold S Link
- 👤 William H Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:23
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/02; E04F11/104; E04F11/16; C; C23; C23C; C23C2/00; C23C2/26; C23C2/265; B; B05; B05D; B05D5/00; B05D5/02; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/937; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12486; Y10T428/12493; Y10T428/1266; Y10T428/12667; Y10T428/12771; Y10T428/12785; Y10T428/12792; Y10T428/12799
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US934412A
Cited
US1686150A
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US2176849A
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US2294491A
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US2343957A
Cited
US2497090A
Cited
US2588421A
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US2676393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |