US807441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making wrought-metal joist-hangers.
Assignee: NATIONAL IRON AND WIRE Co
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Filing: 1905-04-03
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Granted: 1905-12-19
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Expires: 1925-04-03
Abstract
No abstract record available.
Inventors
- 👤 James Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:42
CPC Classifications
B; B21; B21D; B21D53/00; E; E04; E04B; E04B1/00; E04B1/18; E04B1/24; E04B1/2403; E04B2001/2415; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623
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) | 1908-12-18 | 1909-06-19 | 1909-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-12-18 | 1913-06-19 | 1913-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-12-18 | 1917-06-19 | 1917-12-19 | $7700.00 | Window Closed / Lapsed |