Patent US2824541A successfully refreshed from Google Patents.
US2824541A
Expired / Lapsed
US
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Gluing-off machines for books using heat-softenable cement in rod form
Assignee: United Shoe Machinery Corp
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Filing: 1954-08-04
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Granted: 1958-02-25
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Expires: 1974-08-04
Abstract
No abstract record available.
Inventors
- 👤 Hans C Paulsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:36
CPC Classifications
B; B42; B42C; B42C9/00; B42C9/0006; B42C9/0012; B42C9/0018; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1798
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1023569A
Cited
US1549576A
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US1855207A
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US2046199A
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US2660148A
Cited
US2700260A
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US2726629A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |