US3044194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Truck-mounted trench excavating machine
Assignee: Individual
•
Filing: 1959-02-13
•
Granted: 1962-07-17
•
Expires: 1979-02-13
Abstract
No abstract record available.
Inventors
- 👤 Balkheimer Richard Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:07
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/02; E02F5/06; E02F5/14; E02F5/145; Y; Y10; Y10S; Y10S37/00; Y10S37/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1501621A
Cited
US2065809A
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US2681517A
Cited
US2751698A
Cited
US2710466A
Cited
US2747292A
Cited
US2787844A
Cited
US2817911A
Cited
US2873541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |