Patent US4432055A successfully refreshed from Google Patents.
Patent US352071A successfully refreshed from Google Patents.
US352071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsion-spring for vehicles
Assignee: —
•
Filing: —
•
Granted: 1886-11-02
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Expires: 1903-11-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:38
CPC Classifications
B; B60; B60G; B60G21/00; B60G21/02; B60G21/04; B60G21/05; B60G21/055; B60G2206/00; B60G2206/01; B60G2206/40; B60G2206/42; B60G2206/427; B60G2206/70; B60G2206/72; B60G2206/724
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) | 1889-11-01 | 1890-05-03 | 1890-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1893-11-01 | 1894-05-03 | 1894-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1897-11-01 | 1898-05-03 | 1898-11-02 | $7700.00 | Window Closed / Lapsed |