US2461933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rhodium alloy coatings and method of making same
Assignee: Individual
•
Filing: 1947-12-24
•
Granted: 1949-02-15
•
Expires: 1967-12-24
Abstract
No abstract record available.
Inventors
- 👤 Paul T Smith
- 👤 Joseph A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:04
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/56; C25D3/567; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12931; Y10T428/12986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US543824A
Cited
US1029152A
Cited
US1717468A
Cited
US1947180A
Cited
US1970950A
Cited
US2303497A
Cited
US2354409A
Cited
US2432894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-15 | 1952-08-16 | 1953-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-15 | 1956-08-16 | 1957-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-15 | 1960-08-16 | 1961-02-15 | $7700.00 | Window Closed / Lapsed |