US3399649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making saw blades
Assignee: International Business Machines Corp
•
Filing: 1963-12-31
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Granted: 1968-09-03
•
Expires: 1983-12-31
Abstract
No abstract record available.
Inventors
- 👤 David J Kidgell
- 👤 Frank A Besha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:17
CPC Classifications
B; B24; B24D; B24D18/00; B05; B05B; B05B13/00; B05B13/02; B05B13/04; B05B13/0442; B23; B23D; B23D65/00; B28; B28D; B28D1/00; B28D1/02; B28D1/12; B28D1/121; C; C23; C23C; C23C4/00; C23C4/01; C23C4/02; C23C4/04; C23C4/06; C23C4/08; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
APPARATUS FOR MAKING IMPROVED METALLIC CUTTING AND SAWING BLADES HAVING PLANE SPRAYED EDGES, SAID APPARATUS COMPRISING, IN COMBINATION, ROTATING MEANS FOR SUPPORTING AT LEAST ONE METALLIC CUTTING AND SAWING BLADE SECURED TO SAID ROTATING MEANS, SPACING MEANS SECURED IN ABUTTING RELATION TO EACH SIDE OF EACH OF THE BLADES SUPPORTED ON SAID ROTATING MEANS, SAID SPACING MEANS EXTENDING A SUBSTANTIAL DISTANCE BEYOND THE PERIPHERY OF EACH OF SAID BLADE AND CONFIGURED TO PROVIDE SHIELD-
Claim 2
Dependent Claim
74 words
APPARATUS FOR MAKING IMPROVED METALLIC CUTTING AND SAWING BLADES HAVING PLANE SPRAYED EDGES, SAID APPARATUS COMPRISING, IN COMBINATION, ROTATING MEANS FOR SUPPORTING AT LEAST ONE METALLIC CUTTING AND SAWING BLADE SECURED TO SAID ROTATING MEANS, SPACING MEANS SECURED IN ABUTTING RELATION TO EACH SIDE OF EACH OF THE BLADES SUPPORTED ON SAID ROTATING MEANS, SAID SPACING MEANS EXTENDING A SUBSTANTIAL DISTANCE BEYOND THE PERIPHERY OF EACH OF SAID BLADE AND CONFIGURED TO PROVIDE SHIELD-
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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) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |