US794873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making compo-board.
Assignee: Individual
•
Filing: 1904-11-23
•
Granted: 1905-07-18
•
Expires: 1924-11-23
Abstract
No abstract record available.
Inventors
- 👤 George Skaats Mayhew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:35
CPC Classifications
B; B32; B32B; B32B38/00; B32B38/0004; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1075; Y10T156/1077
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) | 1908-07-17 | 1909-01-16 | 1909-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-07-17 | 1913-01-16 | 1913-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-07-17 | 1917-01-16 | 1917-07-18 | $7700.00 | Window Closed / Lapsed |