US2291841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Patch applying and laminating mechanism for paper working machines
Assignee: Individual
•
Filing: 1940-04-01
•
Granted: 1942-08-04
•
Expires: 1960-04-01
Abstract
No abstract record available.
Inventors
- 👤 Edwin G Staude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:51
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/81; B31B50/812; B31B50/8122; Y; Y10; Y10S; Y10S493/00; Y10S493/916; Y10S493/925; Y10T; Y10T156/00; Y10T156/12
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) | 1945-08-03 | 1946-02-02 | 1946-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-08-03 | 1950-02-02 | 1950-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-08-03 | 1954-02-02 | 1954-08-04 | $7700.00 | Window Closed / Lapsed |