US3843464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for treatment of metallic surface
Assignee: Kansai Paint Co Ltd
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Filing: 1972-11-14
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Granted: 1974-10-22
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Expires: 1992-11-14
Abstract
Abstract 1. A METHOD FOR TREATING A METALLIC SURFACE COMPRISING THE STEP OF CONTACTING THE METALLIC SURFACE WITH A CULTURED SUSPENSION CONTAINING MICRO-ORGANISM BELONGING TO A GENUS OF THIOBACILLUS AT A TEMPERATURE IN THE RANGE OFF 20 TO 45* C. IN AN AEROBIC CULTURE CONDITION.
Inventors
- 👤 S Usami
- 👤 H Kozu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:28
CPC Classifications
B; B08; B08B; B08B7/00; C; C23; C23G; C23G5/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/832
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A METHOD FOR TREATING A METALLIC SURFACE COMPRISING THE STEP OF CONTACTING THE METALLIC SURFACE WITH A CULTURED SUSPENSION CONTAINING MICRO-ORGANISM BELONGING TO A GENUS OF THIOBACILLUS AT A TEMPERATURE IN THE RANGE OFF 20 TO 45* C. IN AN AEROBIC CULTURE CONDITION.
Claim 2
Independent Claim
43 words
A METHOD FOR TREATING A METALLIC SURFACE COMPRISING THE STEP OF CONTACTING THE METALLIC SURFACE WITH A CULTURED SUSPENSION CONTAINING MICRO-ORGANISM BELONGING TO A GENUS OF THIOBACILLUS AT A TEMPERATURE IN THE RANGE OFF 20 TO 45* C. IN AN AEROBIC CULTURE CONDITION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |