Patent US906806A successfully refreshed from Google Patents.
Patent US1281452A successfully refreshed from Google Patents.
US1281452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrous building material.
Assignee: Individual
•
Filing: 1914-01-03
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Granted: 1918-10-15
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Expires: 1934-01-03
Abstract
No abstract record available.
Inventors
- 👤 Alexander P White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:26
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/16; E04B5/32; E04B5/36; E04B5/38; E04B5/40
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) | 1921-10-14 | 1922-04-15 | 1922-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-10-14 | 1926-04-15 | 1926-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-10-14 | 1930-04-15 | 1930-10-15 | $7700.00 | Window Closed / Lapsed |