US3238762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal securing apparatus
Assignee: Individual
•
Filing: 1963-03-08
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Granted: 1966-03-08
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Expires: 1983-03-08
Abstract
No abstract record available.
Inventors
- 👤 Walter D Maring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:03
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/02; E; E04; E04D; E04D15/00; E04D15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
APPARATUS FOR DIMPLING OVERLAPPED SEAMS JOINING SUBSTANTIALLY HORIZONTALLY DISPOSED PLATES COMPRISING, IN COMBINATION, A FRAME STRUCTURE, WHEELS SUPPORTING SAID STRUCTURE, FOR MOVEMENT ALONG SAID SEAM, A PAIR OF ARMS CARRIED BY THE FRAME STRUCTURE, SAID ARMS LYING IN A PLANE SUBSTANTIALLY NORMAL TO THE PLANE OF SAID PLATES, DIMPLING TOOLS CARRIED ON THE LOWER ENDS OF SAID ARMS AND EMBRACING SAID SEAM, POWER OPERATED ECCENTRICS ONE OPERABLE TO ACTUATE EACH OF SAID ARMS, AND MEANS TO ADJUST SAID WHEELS ON THE FRAME TO VARY THE ELEVATION OF SAID DIMPLING TOOLS.
Claim 2
Dependent Claim
90 words
APPARATUS FOR DIMPLING OVERLAPPED SEAMS JOINING SUBSTANTIALLY HORIZONTALLY DISPOSED PLATES COMPRISING, IN COMBINATION, A FRAME STRUCTURE, WHEELS SUPPORTING SAID STRUCTURE, FOR MOVEMENT ALONG SAID SEAM, A PAIR OF ARMS CARRIED BY THE FRAME STRUCTURE, SAID ARMS LYING IN A PLANE SUBSTANTIALLY NORMAL TO THE PLANE OF SAID PLATES, DIMPLING TOOLS CARRIED ON THE LOWER ENDS OF SAID ARMS AND EMBRACING SAID SEAM, POWER OPERATED ECCENTRICS ONE OPERABLE TO ACTUATE EACH OF SAID ARMS, AND MEANS TO ADJUST SAID WHEELS ON THE FRAME TO VARY THE ELEVATION OF SAID DIMPLING TOOLS.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |