US2501985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web roll support for corrugated paperboard machines
Assignee: F J KRESS BOX Co
•
Filing: 1947-07-02
•
Granted: 1950-03-28
•
Expires: 1967-07-02
Abstract
No abstract record available.
Inventors
- 👤 Fred H Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:42
CPC Classifications
B; B65; B65H; B65H16/00; B65H16/02; B65H16/06; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/417; B65H2301/4171; B65H2301/4172; B65H2301/41724; B65H2301/4173; B65H2301/41732
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2177577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |