US3398010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Masking composition for galvanized metal
Assignee: United States Steel Corp
•
Filing: 1964-08-17
•
Granted: 1968-08-20
•
Expires: 1984-08-17
Abstract
No abstract record available.
Inventors
- 👤 Mahlon A Harvey
- 👤 Lawrence E Helwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:52
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/224; C; C23; C23C; C23C2/00; C23C2/003; C23C2/0038; C23C2/02; C23C2/022; C23C2/024; C23C2/04; C23C2/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2894850A
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US3048495A
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US3151002A
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US3177085A
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US3104993A
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US3181963A
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US3121019A
Cited
GB963450A
Cited
US3149987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |