US1886665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple unit electric drive system
Assignee: BRILLO Manufacturing CO Inc
•
Filing: 1928-08-03
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Granted: 1932-11-08
•
Expires: 1948-08-03
Abstract
No abstract record available.
Inventors
- 👤 Field Crosby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:35
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/46; H02P5/48; H02P5/485; B; B65; B65H; B65H2701/00; B65H2701/30; B65H2701/38; Y; Y10; Y10T; Y10T29/00; Y10T29/14; Y10T29/142; Y10T29/143
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) | 1935-11-08 | 1936-05-09 | 1936-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-08 | 1940-05-09 | 1940-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-08 | 1944-05-09 | 1944-11-08 | $7700.00 | Window Closed / Lapsed |