US3512771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronizing device for a high speed sheet stacking system
Assignee: Unisys Corp
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Filing: 1968-06-05
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Granted: 1970-05-19
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Expires: 1988-06-05
Abstract
No abstract record available.
Inventors
- 👤 Vince G Dempsey
- 👤 Ralph H Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:14
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/12; B; B65; B65H; B65H29/00; B65H29/38; B65H29/40; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/421; B65H2301/4212
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) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |