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US877133A
Expired / Lapsed
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Metallic-roofing construction.
Assignee: FRANK SPORNHAUER
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Filing: 1907-04-19
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Granted: 1908-01-21
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Expires: 1927-04-19
Abstract
No abstract record available.
Inventors
- 👤 Charles Spornhauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:09
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/02; E04D3/06; E04D3/08
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) | 1911-01-20 | 1911-07-22 | 1912-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-01-20 | 1915-07-22 | 1916-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-01-20 | 1919-07-22 | 1920-01-21 | $7700.00 | Window Closed / Lapsed |