US2798516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable chain saw
Assignee: Sears Roebuck and Co
•
Filing: 1953-12-10
•
Granted: 1957-07-09
•
Expires: 1973-12-10
Abstract
No abstract record available.
Inventors
- 👤 Millard F Heal
- 👤 Glenn H Angell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:14
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/0008; B27B17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1528535A
Cited
AT103356B
Cited
US2165524A
Cited
US2370556A
Cited
US2567886A
Cited
US2610657A
Cited
US2645254A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |