US688809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Center-dump ballast-car.
Assignee: Pressed Steel Car Co
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Filing: 1900-12-21
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Granted: 1901-12-10
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Expires: 1920-12-21
Abstract
No abstract record available.
Inventors
- 👤 John M Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:02
CPC Classifications
B; B61; B61D; B61D7/00; B61D7/14; B61D7/16; B61D7/24; B61D7/26
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) | 1904-12-09 | 1905-06-10 | 1905-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-12-09 | 1909-06-10 | 1909-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-12-09 | 1913-06-10 | 1913-12-10 | $7700.00 | Window Closed / Lapsed |