US2884798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Round chain saw sprocket
Assignee: Individual
•
Filing: 1957-08-09
•
Granted: 1959-05-05
•
Expires: 1977-08-09
Abstract
No abstract record available.
Inventors
- 👤 Wilson Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:47
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/08; Y; Y10; Y10T; Y10T83/00; Y10T83/707; Y10T83/95
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |