US2764758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stapling machine with removable flap lifter blade
Assignee: Individual
•
Filing: 1953-12-10
•
Granted: 1956-10-02
•
Expires: 1973-12-10
Abstract
No abstract record available.
Inventors
- 👤 Schafroth Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:39
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/04; B65B51/05
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1308327A
Cited
US1136807A
Cited
US1173697A
Cited
US1512040A
Cited
US1812188A
Cited
US1900683A
Cited
US2158242A
Cited
US2429269A
Cited
US2433155A
Cited
US2469054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |