US1146879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic electric-heating system for railroad-cars and the like.
Assignee: RAILWAY UTILITY Co
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Filing: 1913-11-07
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Granted: 1915-07-20
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Expires: 1933-11-07
Abstract
No abstract record available.
Inventors
- 👤 Lee P Hynes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:13
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/68; F; F24; F24C; F24C7/00; F24C7/08; F24C7/082
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) | 1918-07-19 | 1919-01-18 | 1919-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-07-19 | 1923-01-18 | 1923-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-07-19 | 1927-01-18 | 1927-07-20 | $7700.00 | Window Closed / Lapsed |