US2977733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet distributing mechanism and receptacle conveyor
Assignee: American Greetings Corp
•
Filing: 1957-10-17
•
Granted: 1961-04-04
•
Expires: 1977-10-17
Abstract
No abstract record available.
Inventors
- 👤 Lewis C Pearce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:32
CPC Classifications
B; B65; B65B; B65B25/00; B65B25/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2643754A
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US2827159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |