US2624381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated metal circular and band saws
Assignee: Individual
•
Filing: 1950-04-29
•
Granted: 1953-01-06
•
Expires: 1970-04-29
Abstract
No abstract record available.
Inventors
- 👤 Werth Gordon Von Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:07
CPC Classifications
B; B23; B23D; B23D61/00; B23D61/02; B23D61/025; B23D61/026; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/932; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T407/00; Y10T407/19; Y10T407/1904; Y10T428/00; Y10T428/12; Y10T428/12201; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854; Y10T428/12861; Y10T428/12903; Y10T428/1291; Y10T428/12986; Y10T83/00; Y10T83/929; Y10T83/9319
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A SAW COMPRISING A CENTRAL BODY OF STEEL HAVING CUTTING TEETH ALONG THE EDGE THEREOF, LAMINAE OF COPPER AND A METAL OF RELATIVELY LOWER HEAT CONDUCTIVITY THAN SAID COPPER EXTENDING TO THE CUTTING EDGES OF SAID TEETH INSEPARABLY SECURED TO EACH OF THE OPPOSITE SIDES OF SAID BODY WITH A LAMINA OF COPPER NEAREST SAID BODY ON EACH OF SAID SIDES.
Claim 2
Dependent Claim
61 words
A SAW COMPRISING A CENTRAL BODY OF STEEL HAVING CUTTING TEETH ALONG THE EDGE THEREOF, LAMINAE OF COPPER AND A METAL OF RELATIVELY LOWER HEAT CONDUCTIVITY THAN SAID COPPER EXTENDING TO THE CUTTING EDGES OF SAID TEETH INSEPARABLY SECURED TO EACH OF THE OPPOSITE SIDES OF SAID BODY WITH A LAMINA OF COPPER NEAREST SAID BODY ON EACH OF SAID SIDES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |