Patent US3296141A successfully refreshed from Google Patents.
US3296141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bright dip compositions for the treatment of steel
Assignee: Hull R O and Co Inc
•
Filing: 1965-03-25
•
Granted: 1967-01-03
•
Expires: 1985-03-25
Abstract
No abstract record available.
Inventors
- 👤 Wilbur A Lieb
- 👤 Billow Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:05
CPC Classifications
C; C23; C23F; C23F3/00; C23F3/04; C23F3/06; C23C; C23C22/00; C23C22/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A COMPOSITION FOR TREATING THE SURFACE OF STEEL CONSISTING ESSENTIALLY OF A MIXTURE OF THE FOLLOWING INGREDIENTS IN THE PARTS BY WEIGHT SPECIFIED:
Claim 2
Dependent Claim
20 words
A COMPOSITION FOR TREATING THE SURFACE OF STEEL CONSISTING ESSENTIALLY OF THE FOLLOWING INGREDIENTS IN THE PARTS BY WEIGHT SPECIFIED:
References Cited (Backward Citations)
US2177751A
Cited
US2383434A
Cited
US2614913A
Cited
US2828193A
Cited
US2878146A
Cited
US3019194A
Cited
US2955927A
Cited
US2959556A
Cited
US3158517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |