Patent US2639660A successfully refreshed from Google Patents.
US2639660A
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US
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Roll apparatus for localized embossing
Assignee: Individual
•
Filing: 1951-02-14
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Granted: 1953-05-26
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Expires: 1971-02-14
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Sunderhauf
- 👤 James C O'hear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:54
CPC Classifications
B; B21; B21H; B21H8/00; B21H8/005; B31; B31F; B31F1/00; B31F1/07; D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0007; D06N7/001; B31F2201/00; B31F2201/07; B31F2201/0707; B31F2201/0715; B31F2201/0723; B31F2201/0733; B31F2201/0738; B31F2201/0741; B31F2201/0743; B31F2201/0753; B31F2201/0756; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T29/00; Y10T29/51; Y10T29/5198
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US99788A
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US147767A
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US842891A
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US805699A
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US1804815A
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US2029567A
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US2181435A
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US2558877A
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US2573737A
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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) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |