Patent US4664604A successfully refreshed from Google Patents.
US2995261A
Expired / Lapsed
US
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Mobile excavators
Assignee: Individual
•
Filing: 1958-12-09
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Granted: 1961-08-08
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Expires: 1978-12-09
Abstract
No abstract record available.
Inventors
- 👤 Soyland Ingebret
- 👤 Soyland Kristian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:02
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/003; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/32; E02F3/36; E02F3/42; E02F3/425; E02F9/02; E02F9/08; E02F9/0808; E02F9/085; E02F9/10; E02F9/12; E02F9/121; E02F9/123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US830107A
Cited
GB191222692A
Cited
FR1046255A
Cited
US2781927A
Cited
GB774162A
Cited
US2852149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |