US3401782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper-shifting mechanism
Assignee: SHEPARD LAB Inc
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Filing: 1965-10-11
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Granted: 1968-09-17
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Expires: 1985-10-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Francis H Shepard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:36
CPC Classifications
B; B41; B41J; B41J15/00; B41J15/02; B65; B65H; B65H2555/00; B65H2555/10; B65H2555/13
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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |