Patent US1037873A successfully refreshed from Google Patents.
US1037873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for transparentizing sheets of paper or other material.
Assignee: TOPPING BROTHERS
•
Filing: 1911-11-24
•
Granted: 1912-09-10
•
Expires: 1931-11-24
Abstract
No abstract record available.
Inventors
- 👤 Charles L Crabb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:53
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/20; G03G15/2003; G03G15/2014; G03G15/2017; G03G15/2025
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) | 1915-09-10 | 1916-03-11 | 1916-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-09-10 | 1920-03-11 | 1920-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-09-10 | 1924-03-11 | 1924-09-10 | $7700.00 | Window Closed / Lapsed |