US2315294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of brazing
Assignee: Westinghouse Electric Corp
•
Filing: 1941-07-19
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Granted: 1943-03-30
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Expires: 1961-07-19
Abstract
No abstract record available.
Inventors
- 👤 Nelson H Stewart
- 👤 John H Ramage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:05
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/008; B23K35/00; B23K35/22; B23K35/38; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12139
Claims Analysis
Total Claims: 0
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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) | 1946-03-29 | 1946-09-28 | 1947-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-29 | 1950-09-28 | 1951-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-29 | 1954-09-28 | 1955-03-30 | $7700.00 | Window Closed / Lapsed |