Patent US1597973A successfully refreshed from Google Patents.
Patent US989328A successfully refreshed from Google Patents.
US989328A
Expired / Lapsed
US
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Tiling for roofs.
Assignee: Individual
•
Filing: 1909-07-08
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Granted: 1911-04-11
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Expires: 1929-07-08
Abstract
No abstract record available.
Inventors
- 👤 De Witt W Buchanan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:18
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0864; E04D; E04D1/00; E04D1/29; E04D1/2907; E04D1/2956; E04D1/2914; E04D1/2918
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) | 1914-04-10 | 1914-10-10 | 1915-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-04-10 | 1918-10-10 | 1919-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-04-10 | 1922-10-10 | 1923-04-11 | $7700.00 | Window Closed / Lapsed |