Patent US2474A successfully refreshed from Google Patents.
US2474A
Expired / Lapsed
US
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Improvement in the method of manufacturing glue
Assignee: —
•
Filing: —
•
Granted: 1842-02-28
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Expires: 1859-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:37
CPC Classifications
C; C09; C09H; C09H3/00; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/84; Y10S530/842
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) | 1845-02-27 | 1845-08-29 | 1846-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1849-02-27 | 1849-08-29 | 1850-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1853-02-27 | 1853-08-29 | 1854-02-28 | $7700.00 | Window Closed / Lapsed |