US990299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced cardboard and roofing-plate.
Assignee: Individual
•
Filing: 1910-05-20
•
Granted: 1911-04-25
•
Expires: 1930-05-20
Abstract
No abstract record available.
Inventors
- 👤 Hermann Schlisske
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:49
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/20; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24132; Y10T428/24628; Y10T428/24636; Y10T428/24645
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) | 1914-04-24 | 1914-10-24 | 1915-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-04-24 | 1918-10-24 | 1919-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-04-24 | 1922-10-24 | 1923-04-25 | $7700.00 | Window Closed / Lapsed |