US634484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expanded-metal partition.
Assignee: EASTERN EXPANDED METAL Co
•
Filing: 1899-08-18
•
Granted: 1899-10-10
•
Expires: 1919-08-18
Abstract
No abstract record available.
Inventors
- 👤 Louis Fernando Sylvester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:03
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/58; Y; Y10; Y10S; Y10S256/00; Y10S256/03
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) | 1902-10-10 | 1903-04-11 | 1903-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-10-10 | 1907-04-11 | 1907-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-10-10 | 1911-04-11 | 1911-10-11 | $7700.00 | Window Closed / Lapsed |