US2419132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating sheet material
Assignee: Individual
•
Filing: 1945-01-18
•
Granted: 1947-04-15
•
Expires: 1965-01-18
Abstract
No abstract record available.
Inventors
- 👤 Murray J Friedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:21
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/02; B27K3/0228; B05; B05B; B05B1/00; B05B1/14; B05B1/20; B05B13/00; B05B13/02; B05B13/0221; B05B14/00; B05B13/04; B05B13/0463; B05B13/0468
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-14 | 1950-10-14 | 1951-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-14 | 1954-10-14 | 1955-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-14 | 1958-10-14 | 1959-04-15 | $7700.00 | Window Closed / Lapsed |