Patent US2064407A successfully refreshed from Google Patents.
US2064407A
Expired / Lapsed
US
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Method of making circular saws
Assignee: Individual
•
Filing: 1934-09-19
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Granted: 1936-12-15
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Expires: 1954-09-19
Abstract
No abstract record available.
Inventors
- 👤 Bird Myron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:22
CPC Classifications
B; B23; B23D; B23D65/00; B23K; B23K31/00; B23K31/02; B23K31/025; Y; Y10; Y10S; Y10S76/00; Y10S76/06; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49988; Y10T29/49989; Y10T407/00; Y10T407/19; Y10T407/1904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-12-15 | 1940-06-15 | 1940-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-12-15 | 1944-06-15 | 1944-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-12-15 | 1948-06-15 | 1948-12-15 | $7700.00 | Window Closed / Lapsed |