US2124657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromium plated article and method of producing same
Assignee: Cutler Hammer Inc
•
Filing: 1934-10-11
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Granted: 1938-07-26
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Expires: 1954-10-11
Abstract
No abstract record available.
Inventors
- 👤 Philip J Ritzenthaler
- 👤 Patrick J Sheehan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:28
CPC Classifications
B; B23; B23Q; B23Q15/00; B23Q15/20; B23Q15/28; C; C25; C25D; C25D5/00; C25D5/10; C25D5/12; C25D5/14; C25D5/627; Y; Y10; Y10S; Y10S205/00; Y10S205/917; Y10S411/00; Y10S411/914; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12785; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854
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) | 1941-07-25 | 1942-01-24 | 1942-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-07-25 | 1946-01-24 | 1946-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-07-25 | 1950-01-24 | 1950-07-26 | $7700.00 | Window Closed / Lapsed |