US2936254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating baths for aluminum and method of and materials for preparing and replenishing same
Assignee: Henkel Corp
•
Filing: 1959-01-02
•
Granted: 1960-05-10
•
Expires: 1979-01-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Nelson J Newhard
- 👤 David Y Dollman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:10
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/34; C23C22/37; C23C22/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A BATH FOR THE COATING OF ALUMINUIM HAVING A PH BETWEEN 0.8 AND 4.5 WHOSE COATING PRODUCING INGREDIENTS CONSISTS ESSENTIALLY OF:
Claim 2
Dependent Claim
21 words
A BATH FOR THE COATING OF ALUMINUIM HAVING A PH BETWEEN 0.8 AND 4.5 WHOSE COATING PRODUCING INGREDIENTS CONSISTS ESSENTIALLY OF:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |