Patent US1096579A successfully refreshed from Google Patents.
US1096579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-reinforced roofing.
Assignee: Johns Manville Corp
•
Filing: 1913-03-10
•
Granted: 1914-05-12
•
Expires: 1933-03-10
Abstract
No abstract record available.
Inventors
- 👤 Henry R Wardell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:03
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B29C70/34; B29C70/345; B29L; B29L2009/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/2419; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/31504; Y10T428/31652; Y10T428/31656
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1917-05-11 | 1917-11-10 | 1918-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-05-11 | 1921-11-10 | 1922-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-05-11 | 1925-11-10 | 1926-05-12 | $7700.00 | Window Closed / Lapsed |