US24401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in vulcanizing caoutchouc
Assignee: —
•
Filing: —
•
Granted: 1859-06-14
•
Expires: 1876-06-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:32
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08C; C08C19/00; C08C19/20
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) | 1862-06-13 | 1862-12-13 | 1863-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1866-06-13 | 1866-12-13 | 1867-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1870-06-13 | 1870-12-13 | 1871-06-14 | $7700.00 | Window Closed / Lapsed |