US4084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in the preparation of portable gelatine
Assignee: —
•
Filing: —
•
Granted: 1845-06-20
•
Expires: 1862-06-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:26
CPC Classifications
A; A23; A23L; A23L29/00; A23L29/20; A23L29/275; A23L29/281; A23L29/284
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) | 1848-06-19 | 1848-12-19 | 1849-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1852-06-19 | 1852-12-19 | 1853-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1856-06-19 | 1856-12-19 | 1857-06-20 | $7700.00 | Window Closed / Lapsed |