US2552935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solders
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1950-09-07
•
Granted: 1951-05-15
•
Expires: 1970-09-07
Abstract
No abstract record available.
Inventors
- 👤 Chadwick Richard
- 👤 William G Heaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:00
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/26; B23K35/262
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
SOLDER CONTAINING 69.9-98.9% TIN, 1-30% ZINC, AND 0.1-5% CERIUM.
Claim 2
Dependent Claim
9 words
SOLDER CONTAINING 69.9-98.9% TIN, 1-30% ZINC, AND 0.1-5% CERIUM.
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) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |