Patent US3496044A successfully refreshed from Google Patents.
US3496044A
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US
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Methods for making patterned sheet material
Assignee: Rowland Products Inc
•
Filing: 1967-10-23
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Granted: 1970-02-17
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Expires: 1987-10-23
Abstract
No abstract record available.
Inventors
- 👤 William P Rowland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:55
CPC Classifications
B; B44; B44F; B44F5/00; B44F1/00; B44F1/02; B44F1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2689378A
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US2951419A
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US2740741A
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US3068528A
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US3255065A
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US3351697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |