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US3049245A
Expired / Lapsed
US
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Mat for separating stacked rolls
Assignee: Individual
•
Filing: 1960-05-18
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Granted: 1962-08-14
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Expires: 1980-05-18
Abstract
No abstract record available.
Inventors
- 👤 Whitman H Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:44
CPC Classifications
B; B65; B65D; B65D19/00; B65D19/38; B65D57/00; B65D57/002; B65D57/003; B65H; B65H75/00; B65D2519/00; B65D2519/00004; B65D2519/00258; B65D2519/00263; B65D2519/00273; B65D2519/00283; B65D2519/00293; B65D2519/00313; B65D2519/00323; B65D2519/00328; B65D2519/00333; B65D2519/00736; B65D2519/00741; B65D2519/00761
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2366065A
Cited
US2739776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |