US2272609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper coated cooking vessel
Assignee: Revere Copper and Brass Inc
•
Filing: 1938-11-12
•
Granted: 1942-02-10
•
Expires: 1958-11-12
Abstract
No abstract record available.
Inventors
- 👤 James M Kennedy
- 👤 Arthur P Knight
- 👤 Harold J Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:38
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/16; C25D5/60; C25D5/615; C25D5/617; Y; Y10; Y10S; Y10S29/00; Y10S29/012
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) | 1945-02-09 | 1945-08-11 | 1946-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-02-09 | 1949-08-11 | 1950-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-02-09 | 1953-08-11 | 1954-02-10 | $7700.00 | Window Closed / Lapsed |