Patent US2258859A successfully refreshed from Google Patents.
US1567474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric coupler
Assignee: Tomlinson Coupler Co
•
Filing: 1921-06-15
•
Granted: 1925-12-29
•
Expires: 1941-06-15
Abstract
No abstract record available.
Inventors
- 👤 Charles H Tomlinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:26
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/46; H01R13/52; H01R13/5219; H01R13/02; H01R13/22; H01R13/24; H01R13/2407; H01R13/2421; H01R24/00; H01R24/28; Y; Y10; Y10S; Y10S439/00; Y10S439/901
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1928-12-28 | 1929-06-29 | 1929-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-12-28 | 1933-06-29 | 1933-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-12-28 | 1937-06-29 | 1937-12-29 | $7700.00 | Window Closed / Lapsed |