US3409148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacking device
Assignee: Individual
•
Filing: 1965-12-27
•
Granted: 1968-11-05
•
Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 Albert F Shields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:48
CPC Classifications
B; B65; B65H; B65H31/00; B65H31/34; B65H31/36; B65H29/00; B65H29/12; B65H2404/00; B65H2404/20; B65H2404/26; B65H2404/261; B65H2701/00; B65H2701/10; B65H2701/17; B65H2701/176; B65H2701/1766; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/114
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1454924A
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US1819841A
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US1957318A
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US2963177A
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US2931520A
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US3067885A
Cited
US3063577A
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US3030867A
Cited
US3174633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |