US2620835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guide for portable cutoff saws
Assignee: Individual
•
Filing: 1950-07-21
•
Granted: 1952-12-09
•
Expires: 1970-07-21
Abstract
No abstract record available.
Inventors
- 👤 Roy O Barnhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:55
CPC Classifications
B; B23; B23Q; B23Q9/00; B23Q9/0064; B23Q9/0078; B23Q9/0085; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7684; Y10T83/7693; Y10T83/7697; Y10T83/869; Y10T83/8763
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1608558A
Cited
US1706115A
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US1756121A
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US1828043A
Cited
US1911045A
Cited
US1960590A
Cited
US2306512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |