US379429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building-block
Assignee: —
•
Filing: —
•
Granted: 1888-03-13
•
Expires: 1905-03-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:42
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; Y; Y10; Y10S; Y10S425/00; Y10S425/109; Y10T; Y10T428/00; Y10T428/15
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) | 1891-03-13 | 1891-09-12 | 1892-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1895-03-13 | 1895-09-12 | 1896-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1899-03-13 | 1899-09-12 | 1900-03-14 | $7700.00 | Window Closed / Lapsed |