US3030713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material handling machine
Assignee: Eimco Corp
•
Filing: 1958-10-02
•
Granted: 1962-04-24
•
Expires: 1978-10-02
Abstract
No abstract record available.
Inventors
- 👤 Donald E Hendrickson
- 👤 James D Brown
- 👤 Daniel M Schwartz
- 👤 Ernst J Utz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:04
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/02; E21B7/025; E02; E02F; E02F3/00; E02F3/04; E02F3/96; E02F3/961; E21B7/024; E21B7/026; Y; Y10; Y10S; Y10S414/00; Y10S414/125
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2217674A
Cited
US2446242A
Cited
US2480661A
Cited
US2660816A
Cited
US2766012A
Cited
US2687586A
Cited
US2791399A
Cited
US2718312A
Cited
US2750155A
Cited
US2726066A
Cited
US2867412A
Cited
US2752122A
Cited
US2838282A
Cited
US2833361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |