Patent US976198A successfully refreshed from Google Patents.
US976198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic window-sash.
Assignee: Individual
•
Filing: 1909-08-21
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Granted: 1910-11-22
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Expires: 1929-08-21
Abstract
No abstract record available.
Inventors
- 👤 Alexander Whitten Merritt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:12
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/005; E04B; E04B1/00; E04B1/18; E04B1/19; E04B2001/1924; E04B2001/1927
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) | 1913-11-21 | 1914-05-23 | 1914-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-11-21 | 1918-05-23 | 1918-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-11-21 | 1922-05-23 | 1922-11-22 | $7700.00 | Window Closed / Lapsed |