US3076653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spreader apparatus
Assignee: Individual
•
Filing: 1960-11-16
•
Granted: 1963-02-05
•
Expires: 1980-11-16
Abstract
No abstract record available.
Inventors
- 👤 Ekman Elis Hjalmar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:42
CPC Classifications
A; A01; A01C; A01C15/00; E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/201; E01C19/202; E01C2019/2055; E01C2019/207; E01C2019/2095
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US42758A
Cited
US2899918A
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US679298A
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US1040888A
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US1345120A
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US1606676A
Cited
US1838631A
Cited
US1790050A
Cited
US2338320A
Cited
US2360870A
Cited
US2529889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |