US3033380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material handling apparatus
Assignee: Young Spring and Wire Corp
•
Filing: 1959-08-03
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Granted: 1962-05-08
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Expires: 1979-08-03
Abstract
No abstract record available.
Inventors
- 👤 Evan E Dorkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:12
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/38; E02F3/382; E02F3/384; E02F9/00; E02F9/08; E02F9/085; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18968
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US283037A
Cited
US2528985A
Cited
US2559733A
Cited
US2722102A
Cited
US2768499A
Cited
US2834480A
Cited
US2903145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |