US2610657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine driven chain saw
Assignee: Individual
•
Filing: 1948-10-07
•
Granted: 1952-09-16
•
Expires: 1968-10-07
Abstract
No abstract record available.
Inventors
- 👤 Elmer C Kiekhaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:13
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/0083; B27B17/08; B27B17/083; B27B17/10; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20672; Y10T74/2069; Y10T83/00; Y10T83/869; Y10T83/8759; Y10T83/8761; Y10T83/8762
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1004245A
Cited
US1617565A
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GB274348A
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US1830580A
Cited
US2109702A
Cited
US2157792A
Cited
GB539956A
Cited
US2348612A
Cited
US2488343A
Cited
US2532981A
Cited
US2412705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |