US881964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skylight frame-bar and frame construction.
Assignee: GEORGE M BALL
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Filing: 1907-10-07
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Granted: 1908-03-17
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Expires: 1927-10-07
Abstract
No abstract record available.
Inventors
- 👤 Charles M Servatius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:10
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/36; E04D3/366; E04B; E04B9/00; E04B9/06; E04B9/065; E04B9/067; E04B9/068
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) | 1911-03-17 | 1911-09-16 | 1912-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-03-17 | 1915-09-16 | 1916-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-03-17 | 1919-09-16 | 1920-03-17 | $7700.00 | Window Closed / Lapsed |