Patent US2747865A successfully refreshed from Google Patents.
US2747865A
Expired / Lapsed
US
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Booklet forming means and method
Assignee: Individual
•
Filing: 1951-06-02
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Granted: 1956-05-29
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Expires: 1971-06-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph R Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:32
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/12; B65H45/30
Claims Analysis
Total Claims: 0
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US2144263A
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US2249200A
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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) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |