Patent US3137337A successfully refreshed from Google Patents.
US3137337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for and methods of making a sheet metal strip structure
Assignee: Standard Products Co
•
Filing: 1960-03-11
•
Granted: 1964-06-16
•
Expires: 1980-03-11
Abstract
No abstract record available.
Inventors
- 👤 Aaron J Ungerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:02
CPC Classifications
B; B21; B21F; B21F1/00; B21F1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
AN APPARATUS FOR MAKING A FLEXIBLE SHEET METAL STRIP STRUCTURE, MEANS FOR ADVANCING A SHEET METAL STRIP ALONG A PREDETERMINED PATH, MEANS FOR FORMING A PLURALITY OF PROJECTIONS ALONG SAID STRIP TO DIVIDE SAID STRIP INTO SECTIONS EXTENDING LONGITUDINALLY THEREALONG, SAID PROJECTIONS EXTENDING ALTERNATELY IN OPPOSITE DIRECTIONS FROM THE PLANE OF SAID STRIP, AND MEANS FOR SUCCESSIVELY ENGAGING SAID PROJECTIONS BEING EFFECTIVE TO PROGRESSIVELY STACK ADJACENT STRIP SECTIONS EXTENDING THEREBETWEEN IN PARTIAL OVERLAPPING RELATION TO EACH OTHER.
Claim 2
Independent Claim
77 words
AN APPARATUS FOR MAKING A FLEXIBLE SHEET METAL STRIP STRUCTURE, MEANS FOR ADVANCING A SHEET METAL STRIP ALONG A PREDETERMINED PATH, MEANS FOR FORMING A PLURALITY OF PROJECTIONS ALONG SAID STRIP TO DIVIDE SAID STRIP INTO SECTIONS EXTENDING LONGITUDINALLY THEREALONG, SAID PROJECTIONS EXTENDING ALTERNATELY IN OPPOSITE DIRECTIONS FROM THE PLANE OF SAID STRIP, AND MEANS FOR SUCCESSIVELY ENGAGING SAID PROJECTIONS BEING EFFECTIVE TO PROGRESSIVELY STACK ADJACENT STRIP SECTIONS EXTENDING THEREBETWEEN IN PARTIAL OVERLAPPING RELATION TO EACH OTHER.
References Cited (Backward Citations)
DE542244C
Cited
US1771955A
Cited
US1793629A
Cited
US2130324A
Cited
US2661946A
Cited
US2907369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |