US2075518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of surfacing one metal with another
Assignee: Individual
•
Filing: 1934-10-04
•
Granted: 1937-03-30
•
Expires: 1954-10-04
Abstract
No abstract record available.
Inventors
- 👤 Gettelman Fredrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:53
CPC Classifications
C; C23; C23C; C23C24/00; C23C24/02; C23C24/04; C23C24/045; Y; Y10; Y10S; Y10S29/00; Y10S29/031; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/94; Y10T; Y10T428/00; Y10T428/12; Y10T428/12993
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) | 1940-03-29 | 1940-09-28 | 1941-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-29 | 1944-09-28 | 1945-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-29 | 1948-09-28 | 1949-03-30 | $7700.00 | Window Closed / Lapsed |