US205269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in car-springs
Assignee: —
•
Filing: —
•
Granted: 1878-06-25
•
Expires: 1895-06-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:53
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/04; B61F5/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49609; Y10T29/49611
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) | 1881-06-24 | 1881-12-24 | 1882-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1885-06-24 | 1885-12-24 | 1886-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1889-06-24 | 1889-12-24 | 1890-06-25 | $7700.00 | Window Closed / Lapsed |