US2765682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved method of making embossing rolls
Assignee: GROTE Manufacturing CO Inc
•
Filing: 1951-12-06
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Granted: 1956-10-09
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Expires: 1971-12-06
Abstract
No abstract record available.
Inventors
- 👤 Fred E Wiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:13
CPC Classifications
B; B21; B21D; B21D17/00; B21D17/04; B21B; B21B27/00; B21B27/005; B29; B29C; B29C43/00; B29C43/22; B21B2267/00; B21B2267/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |