US1816835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton and carton opener
Assignee: Individual
•
Filing: 1930-08-18
•
Granted: 1931-08-04
•
Expires: 1950-08-18
Abstract
No abstract record available.
Inventors
- 👤 Paul E Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:40
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/07; B65D85/08; B65D85/10; B65D85/1018; B65D85/1027
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) | 1934-08-03 | 1935-02-02 | 1935-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-08-03 | 1939-02-02 | 1939-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-08-03 | 1943-02-02 | 1943-08-04 | $7700.00 | Window Closed / Lapsed |