US2851933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for making paper box blanks in multiples
Assignee: W J BRADFORD PAPER Co
•
Filing: 1953-03-17
•
Granted: 1958-09-16
•
Expires: 1973-03-17
Abstract
No abstract record available.
Inventors
- 👤 Jr William J Bradford
- 👤 Benjamin C Schrotenboer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:06
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/14; B31B50/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US297576A
Cited
US972300A
Cited
US1189945A
Cited
US1255810A
Cited
US1342239A
Cited
DE564173C
Cited
US2188916A
Cited
GB587129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |