US3553004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of galvanizing employing rolls of an air hardening die steel
Assignee: ARMOO STEEL CORP
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Filing: 1969-02-10
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Granted: 1971-01-05
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Expires: 1989-02-10
Abstract
Abstract METHOD OF GALVANIZING FERROUS STAND UTILIZING ROLLS OF AN AIR HARDENING DIE STEEL. IN GALVANIZING APPARATUS, SINKER, STABILIZER AND EXIT ROLLS SUBJECTED TO MOLTEN ZINC CONSISTING OF AN AIR HARDENING DIE SHEET WHICH IS WETTABLE BY MOLTEN ZINC AND SUBSTANTIALLY RESISTANT TO FORMATION OF IRON-ZINC ALLOY.
Inventors
- 👤 Paul E Schnedler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:42
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/06; C22; C22C; C22C38/00; C22C38/18; C22C38/24; C23C2/003; C23C2/0034; C23C2/00342; C23C2/00344
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |