US2311412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed mechanism for stapling machines
Assignee: Individual
•
Filing: 1940-07-01
•
Granted: 1943-02-16
•
Expires: 1960-07-01
Abstract
No abstract record available.
Inventors
- 👤 William G Pankonin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:45
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/16; B25C5/1606; B25C5/1617; B25C5/162
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) | 1946-02-15 | 1946-08-17 | 1947-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-02-15 | 1950-08-17 | 1951-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-02-15 | 1954-08-17 | 1955-02-16 | $7700.00 | Window Closed / Lapsed |