US132299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in the manufacture of cores for stench-traps and other metal castin
Assignee: —
•
Filing: —
•
Granted: 1872-10-15
•
Expires: 1889-10-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:00
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; B; B22; B22C; B22C3/00; Y; Y10; Y10S; Y10S264/00; Y10S264/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1875-10-15 | 1876-04-15 | 1876-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1879-10-15 | 1880-04-15 | 1880-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1883-10-15 | 1884-04-15 | 1884-10-15 | $7700.00 | Window Closed / Lapsed |