US3470596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for fastening metal sheets
Assignee: Ar Molino
•
Filing: 1966-09-26
•
Granted: 1969-10-07
•
Expires: 1986-09-26
Abstract
No abstract record available.
Inventors
- 👤 John Belada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:15
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/03; B21D39/031; Y; Y10; Y10T; Y10T29/00; Y10T29/34; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49915; Y10T29/49936; Y10T29/49938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A METHOD OF SECURING TOGETHER TWO SHEETS OF METALLIC MATERIAL COMPRISING THE STEPS OF: (A) POSITIONING A SHEET OF EMTALLIC MATERIAL OVER ANOTHER SHEET OF METALLIC MATERIAL WITH WHICH IT IS TO BE SECURED PROVIDING SAID SHEETS WITH TOP AND BOTTOM EXPOSED SURFACES. (B)SHEARING THROUGH SAID SHEETS OF MATERIAL ALONG A PLURALITY OF DISCONNECTED LINES ON SAID TOP SURFACE OF SAID SHEETS ENCOMPASSING A REGION OF SAID SHEETS AND DISPLACING SAID REGION OF SAID SHEETS WITH RESPECT TO THE PORTION OF SAID SHEETS SURROUNDING SAID REGION TO FORM RESPECTIVELY DISPLACED AND NON-DISPLACED EDGES AT SAID SHEAR LINES, AND
Claim 2
Independent Claim
98 words
A METHOD OF SECURING TOGETHER TWO SHEETS OF METALLIC MATERIAL COMPRISING THE STEPS OF: (A) POSITIONING A SHEET OF EMTALLIC MATERIAL OVER ANOTHER SHEET OF METALLIC MATERIAL WITH WHICH IT IS TO BE SECURED PROVIDING SAID SHEETS WITH TOP AND BOTTOM EXPOSED SURFACES. (B)SHEARING THROUGH SAID SHEETS OF MATERIAL ALONG A PLURALITY OF DISCONNECTED LINES ON SAID TOP SURFACE OF SAID SHEETS ENCOMPASSING A REGION OF SAID SHEETS AND DISPLACING SAID REGION OF SAID SHEETS WITH RESPECT TO THE PORTION OF SAID SHEETS SURROUNDING SAID REGION TO FORM RESPECTIVELY DISPLACED AND NON-DISPLACED EDGES AT SAID SHEAR LINES, AND
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US2671361A
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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) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |