Patent US2984330A successfully refreshed from Google Patents.
US2984330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Book handling mechanism
Assignee: RR Donnelley and Sons Co
•
Filing: 1960-02-04
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Granted: 1961-05-16
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Expires: 1980-02-04
Abstract
No abstract record available.
Inventors
- 👤 Billeter Henry Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:00
CPC Classifications
B; B42; B42C; B42C19/00; B42C19/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1056767A
Cited
US1686519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |