US2015482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of effecting metal-refractory joint and joints resulting therefrom
Assignee: ERGON RES LAB Inc
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Filing: 1932-06-29
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Granted: 1935-09-24
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Expires: 1952-06-29
Abstract
No abstract record available.
Inventors
- 👤 Lilienfeld Julius Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:09
CPC Classifications
C; C04; C04B; C04B37/00; C04B37/02; C04B37/021; C04B37/023; C04B37/025; C04B2237/00; C04B2237/02; C04B2237/04; C04B2237/06; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/341; C04B2237/40; C04B2237/402; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/933; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12583; Y10T428/12597; Y10T428/12736; Y10T428/12764; Y10T428/12986
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) | 1938-09-23 | 1939-03-25 | 1939-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-23 | 1943-03-25 | 1943-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-23 | 1947-03-25 | 1947-09-24 | $7700.00 | Window Closed / Lapsed |