US1259609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric attachment-plug.
Assignee: Cutler Hammer Manufacturing Co
•
Filing: 1911-10-31
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Granted: 1918-03-19
•
Expires: 1931-10-31
Abstract
No abstract record available.
Inventors
- 👤 Harry W Denhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:13
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/58; H01R13/5833
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) | 1921-03-18 | 1921-09-17 | 1922-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-03-18 | 1925-09-17 | 1926-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-03-18 | 1929-09-17 | 1930-03-19 | $7700.00 | Window Closed / Lapsed |