US2564989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain saw link
Assignee: Individual
•
Filing: 1947-09-08
•
Granted: 1951-08-21
•
Expires: 1967-09-08
Abstract
No abstract record available.
Inventors
- 👤 Carl L Ohman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:57
CPC Classifications
B; B27; B27B; B27B33/00; B27B33/14; Y; Y10; Y10T; Y10T83/00; Y10T83/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US464646A
Cited
GB189704049A
Cited
US1261989A
Cited
US1339091A
Cited
US2351112A
Cited
US2372534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |