Patent US3192640A successfully refreshed from Google Patents.
US3192640A
Expired / Lapsed
US
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Universal precision transfer center punch
Assignee: Individual
•
Filing: 1963-05-03
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Granted: 1965-07-06
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Expires: 1983-05-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph I Fournier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:49
CPC Classifications
B; B25; B25D; B25D5/00; Y; Y10; Y10T; Y10T408/00; Y10T408/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A PRECISION CENTER PUNCH COMPRISING AN ELONGATED MAIN BODY PORTION HAVING A PAIR OF OPPOSED ENDS, SAID MAIN BODY PORTION HAVING A BORE EXTENDING AXIALLY THERETHROUGH, ONE OF SAID ENDS HAVING A TAPERED CONFIGURATION, SAID TAPERED END HAVING A PLURALITY OF CONCENTRIC ARCUATE GROOVES FORMED THEREIN PROVIDING ADJACENT PAIR OF RIBS, SAID RIBS BEING ROUNDED, AND A PUNCH ROD SLIDABLY MOUNTED IN SAID BORE AND HAVING AN AXIAL LENGTH LONGER THAN SAID MAIN BODY PORTION.
Claim 2
Dependent Claim
75 words
A PRECISION CENTER PUNCH COMPRISING AN ELONGATED MAIN BODY PORTION HAVING A PAIR OF OPPOSED ENDS, SAID MAIN BODY PORTION HAVING A BORE EXTENDING AXIALLY THERETHROUGH, ONE OF SAID ENDS HAVING A TAPERED CONFIGURATION, SAID TAPERED END HAVING A PLURALITY OF CONCENTRIC ARCUATE GROOVES FORMED THEREIN PROVIDING ADJACENT PAIR OF RIBS, SAID RIBS BEING ROUNDED, AND A PUNCH ROD SLIDABLY MOUNTED IN SAID BORE AND HAVING AN AXIAL LENGTH LONGER THAN SAID MAIN BODY PORTION.
References Cited (Backward Citations)
US677475A
Cited
GB191018447A
Cited
US1225265A
Cited
US2523972A
Cited
US2809439A
Cited
US2833052A
Cited
GB877081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |