US1922387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver plating compound and method of silver plating
Assignee: International Resistance Co
•
Filing: 1930-12-12
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Granted: 1933-08-15
•
Expires: 1950-12-12
Abstract
No abstract record available.
Inventors
- 👤 John H Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:58
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/24; C04; C04B; C04B41/00; C04B41/80; C04B41/81; C04B41/85; C04B41/88; C23; C23C; C23C18/00; C23C18/02
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) | 1936-08-14 | 1937-02-13 | 1937-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-14 | 1941-02-13 | 1941-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-14 | 1945-02-13 | 1945-08-15 | $7700.00 | Window Closed / Lapsed |