US2537464A
Expired / Lapsed
US
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Paper roll breaker
Assignee: Fort James Corp
•
Filing: 1948-08-31
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Granted: 1951-01-09
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Expires: 1968-08-31
Abstract
No abstract record available.
Inventors
- 👤 John A Holmberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:23
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/30; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/417; B65H2301/4171; B65H2301/4173; Y; Y10; Y10S; Y10S29/00; Y10S29/033; Y10T; Y10T225/00; Y10T225/30; Y10T225/329; Y10T225/35; Y10T225/371; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/4979; Y10T29/49798; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074
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) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |