US3222053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toolmaker's clamp
Assignee: SEVERDIA Manufacturing CO
•
Filing: 1963-08-16
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Granted: 1965-12-07
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Expires: 1983-08-16
Abstract
No abstract record available.
Inventors
- 👤 Anton M Severdia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:21
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q2703/00; B23Q2703/02; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44573; Y10T24/44581
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A MACHINIST''S CLAMP COMPRISING A ROD THREADED AT LEAST ON ITS UPPER END, MEANS FOR SECURING AN END OF SAID ROD TO A SUPPORTING BASE, A CLAMP BAR FORMED WITH AN APERTURE FOR SAID ROD AND EXTENDING OUTWARD LATERALLY OF SAID ROD FOR ENGAGEMENT WITH A WORKPIECE ON SAID SUPPORT, A NUT IN THREADED ENGAGEMENT WITH SAID ROD POSITIONED TO APPLY PRESSURE ON THE UPPER SURFACE OF SAID CLAMP BAR HAVING A DOWNWARD EXTENSION THROUGH SAID APERTURE, A HELICAL SPRING SURROUNDING SAID ROD AND BEARING AGAINST THE BOTTOM SURFACE OF SAID CLAMP BAR, AND ABUTMENT MEANS ON SAID EXTENSION BELOW SAID SPRING RE STRICTING MOVEMENT OF SAID SPRING AWAY FROM SAID CLAMP BAR.
Claim 2
Dependent Claim
113 words
A MACHINIST''S CLAMP COMPRISING A ROD THREADED AT LEAST ON ITS UPPER END, MEANS FOR SECURING AN END OF SAID ROD TO A SUPPORTING BASE, A CLAMP BAR FORMED WITH AN APERTURE FOR SAID ROD AND EXTENDING OUTWARD LATERALLY OF SAID ROD FOR ENGAGEMENT WITH A WORKPIECE ON SAID SUPPORT, A NUT IN THREADED ENGAGEMENT WITH SAID ROD POSITIONED TO APPLY PRESSURE ON THE UPPER SURFACE OF SAID CLAMP BAR HAVING A DOWNWARD EXTENSION THROUGH SAID APERTURE, A HELICAL SPRING SURROUNDING SAID ROD AND BEARING AGAINST THE BOTTOM SURFACE OF SAID CLAMP BAR, AND ABUTMENT MEANS ON SAID EXTENSION BELOW SAID SPRING RE STRICTING MOVEMENT OF SAID SPRING AWAY FROM SAID CLAMP BAR.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |