US3403794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for stacking and unstacking articles
Assignee: Individual
•
Filing: 1965-04-15
•
Granted: 1968-10-01
•
Expires: 1985-04-15
Abstract
No abstract record available.
Inventors
- 👤 Lopez Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:20
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/16; B65G1/00; B65G1/02; B65G1/04; B65G1/12; B65G1/127; B65G47/00; B65G47/52; B65G47/60; B65G47/61; B65G65/00; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |