Patent US3735476A successfully refreshed from Google Patents.
US3735476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing components with cavities by explosive welding of metal blanks
Assignee: Individual
•
Filing: 1970-01-29
•
Granted: 1973-05-29
•
Expires: 1990-01-29
Abstract
Abstract A method of manufacturing multilayer components with inner hollows by the explosive welding of metal blanks, one of the blanks being provided with depressions filled with fusible or soluble materials which are removed after welding.
Inventors
- 👤 A Deribas
- 👤 V Kudinov
- 👤 F Matveenkov
- 👤 V Oksak
- 👤 V Simonov
- 👤 N Ostapenko
- 👤 K Ivanova
- 👤 A Ostapenko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:10
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/06; B23K20/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A method as claimed in claim 1 wherein the material is fusible.
Claim 2
Dependent Claim
12 words
A method as claimed in claim 1 wherein the material is soluble.
References Cited (Backward Citations)
US2982012A
Cited
US3044160A
Cited
US2986810A
Cited
US3106014A
Cited
US3135044A
Cited
US3201858A
Cited
US3264731A
Cited
US3474520A
Cited
US3419951A
Cited
US3543388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |