US1461813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety support for current collectors
Assignee: Ohio Brass Co
•
Filing: 1923-01-27
•
Granted: 1923-07-17
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Expires: 1943-01-27
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:59
CPC Classifications
B; B60; B60L; B60L5/00; B60L5/04; B60L5/06; B60L2200/00; B60L2200/26; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32409
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) | 1926-07-16 | 1927-01-15 | 1927-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-07-16 | 1931-01-15 | 1931-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-07-16 | 1935-01-15 | 1935-07-17 | $7700.00 | Window Closed / Lapsed |