US2525603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making lead coated copper
Assignee: Revere Copper and Brass Inc
•
Filing: 1945-11-21
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Granted: 1950-10-10
•
Expires: 1965-11-21
Abstract
No abstract record available.
Inventors
- 👤 Richard H Jenks
- 👤 Lynes Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:46
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/34; C23C2/36; C23C2/40; C23C2/04; C23C2/10; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12701; Y10T428/12771; Y10T428/12861; Y10T428/12903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |