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US7706A
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Vulcanized india-rubber spring
Assignee: Individual
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Filing: —
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Granted: 1850-10-08
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Expires: 1867-10-08
Abstract
No abstract record available.
Inventors
- 👤 Fowler M Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:14
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/22; B60G2204/00; B60G2204/40; B60G2204/41
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) | 1853-10-07 | 1854-04-08 | 1854-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1857-10-07 | 1858-04-08 | 1858-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1861-10-07 | 1862-04-08 | 1862-10-08 | $7700.00 | Window Closed / Lapsed |