Patent US3477323A successfully refreshed from Google Patents.
US3477323A
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Sheet stacking apparatus
Assignee: Arjo Wiggins Ltd
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Filing: 1967-03-13
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Granted: 1969-11-11
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Expires: 1987-03-13
Abstract
No abstract record available.
Inventors
- 👤 Howard Osborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:46
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/70; B65H29/26; B65H29/34; B65H29/68; B65H29/686; B65H5/00; B65H5/22; B65H5/222; B65H5/224; B65H2404/00; B65H2404/60; B65H2404/65; B65H2404/659; B65H2404/6591; B65H2406/00; B65H2406/30; B65H2406/32; B65H2406/323; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2022; Y10T83/2033; Y10T83/2037; Y10T83/2057; Y10T83/2074; Y10T83/2083; Y10T83/2085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |