US3182831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement in loading and digging machines
Assignee: TAGE NILS WILHELM LEIJON
•
Filing: 1961-11-30
•
Granted: 1965-05-11
•
Expires: 1981-11-30
Abstract
No abstract record available.
Inventors
- 👤 Bergmann Hermann Gustav Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:29
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/34; E02F3/3405; E02F3/345; E02F3/352; E02F3/3604
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US572904A
Cited
US1047257A
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US1106988A
Cited
US1493714A
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US2932101A
Cited
US2924345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |