US2909068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable tool with back carried engine
Assignee: Individual
•
Filing: 1955-03-01
•
Granted: 1959-10-20
•
Expires: 1975-03-01
Abstract
No abstract record available.
Inventors
- 👤 Richard J Haug
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:04
CPC Classifications
B; B27; B27B; B27B9/00; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8763
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1329816A
Cited
US1390484A
Cited
US2097729A
Cited
US2172841A
Cited
US2368731A
Cited
US2521920A
Cited
US2563195A
Cited
US2725753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |