Patent US683378A successfully refreshed from Google Patents.
US683378A
Expired / Lapsed
US
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Reverberatory melting-furnace.
Assignee: J W PAXSON Co
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Filing: 1900-09-08
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Granted: 1901-09-24
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Expires: 1920-09-08
Abstract
No abstract record available.
Inventors
- 👤 William J Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:02
CPC Classifications
B; B22; B22D; B22D41/00; B22D41/50; Y; Y10; Y10S; Y10S266/00; Y10S266/90
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) | 1904-09-23 | 1905-03-25 | 1905-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-09-23 | 1909-03-25 | 1909-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-09-23 | 1913-03-25 | 1913-09-24 | $7700.00 | Window Closed / Lapsed |