US2594997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-driven reciprocating drag saw having two oppositely reciprocating blades
Assignee: Individual
•
Filing: 1948-06-16
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Granted: 1952-04-29
•
Expires: 1968-06-16
Abstract
No abstract record available.
Inventors
- 👤 Homer E Ringgold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:33
CPC Classifications
B; B23; B23D; B23D49/00; B23D49/003; B23D49/006; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/215; Y10T83/929; Y10T83/9319; Y10T83/9321; Y10T83/9411; Y10T83/9447
Claims Analysis
Total Claims: 0
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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) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |