US2481835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power chain saw
Assignee: Individual
•
Filing: 1945-02-07
•
Granted: 1949-09-13
•
Expires: 1965-02-07
Abstract
No abstract record available.
Inventors
- 👤 Aubra L Gannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:53
CPC Classifications
B; B27; B27B; B27B17/00; Y; Y10; Y10T; Y10T83/00; Y10T83/707; Y10T83/7101; Y10T83/7114; Y10T83/712; Y10T83/7126; Y10T83/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US951510A
Cited
US1123783A
Cited
US1276579A
Cited
US1952270A
Cited
US2312287A
Cited
US2348588A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-12 | 1953-03-14 | 1953-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-12 | 1957-03-14 | 1957-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-12 | 1961-03-14 | 1961-09-13 | $7700.00 | Window Closed / Lapsed |