US3220519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door constructions
Assignee: Youngstown Steel Door Co
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Filing: 1959-03-25
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Granted: 1965-11-30
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Expires: 1979-03-25
Abstract
No abstract record available.
Inventors
- 👤 Ridder Ernst J De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:09
CPC Classifications
B; B61; B61D; B61D19/00; B61D19/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
A DOOR ASSEMBLY COMPRISING A BASE SECTION, A TOP SECTION, ELONGATED INTERMEDIATE EXTRUDED PANEL SECTIONS, ALL OF SAID SECTIONS BEING FORMED OF ALUMINUM OR THE LIKE WITH CONFIGURED EDGE PORTIONS LENGTHWISE OF EACH OF SAID SECTIONS BEING ADJACENT A COMPLEMENTARILY CONFIGURED EDGE PORTION OF ANOTHER OF SAID SECTIONS, SPACED MEANS FOR SUBSTANTIALLY PIVOTALLY LOCKED ENGAGEMENT ALONG SPACED SURFACES PORTIONS OF EACH OF THE ADJACENT CONFIGURED EDGE PORTIONS, SAID ADJACENT EDGE PORTIONS IN SUBSTANTIALLY PIVOTALLY LOCKED ENGAGEMENT SUCH THAT TWO SPACED PIVOTALLY INTERLOCKED JOINTS SECURE EACH PAIR OF ADJACENT SECTIONS AND DEFINE A SUBSTANTIALLY FLAT UNITERRUPTED SURFACE ON ONE FACE THEREOF AT THE JOINT THEREBETWEEN, AND SIDE REINFORCING EXTRUDED MEMBERS SECURED TO THE ENDS OF SAID SECTIONS, ONE OF THE ADJACENT EDGE PORTIONS OF EACH INTERLOCKED PAIR THEREOF BEING PROVIDED WITH A FLAT-BOTTOM CHANNEL EXTENDING THREALONG AND DISPOSED ENTIRELY TO ONE SIDE OF SAID ONE FACE OF THE CORRESPONDING SECTION, SAID CHANNEL HAVING ONE OF ITS SIDEWALLS PROVIDED WITH AN UNDERCUT PORTION, AND THE OTHER EDGE PORTION OF SAID PAIR BEING PROVIDED WITH A REVERSELY TURNED PORTION COMPLEMENTARY TO AND INTERFITTING SNUGLY WITHIN SAID CHANNEL, THE CONSTRUCTION AN ARRANGEMENT OF
Claim 2
Dependent Claim
189 words
A DOOR ASSEMBLY COMPRISING A BASE SECTION, A TOP SECTION, ELONGATED INTERMEDIATE EXTRUDED PANEL SECTIONS, ALL OF SAID SECTIONS BEING FORMED OF ALUMINUM OR THE LIKE WITH CONFIGURED EDGE PORTIONS LENGTHWISE OF EACH OF SAID SECTIONS BEING ADJACENT A COMPLEMENTARILY CONFIGURED EDGE PORTION OF ANOTHER OF SAID SECTIONS, SPACED MEANS FOR SUBSTANTIALLY PIVOTALLY LOCKED ENGAGEMENT ALONG SPACED SURFACES PORTIONS OF EACH OF THE ADJACENT CONFIGURED EDGE PORTIONS, SAID ADJACENT EDGE PORTIONS IN SUBSTANTIALLY PIVOTALLY LOCKED ENGAGEMENT SUCH THAT TWO SPACED PIVOTALLY INTERLOCKED JOINTS SECURE EACH PAIR OF ADJACENT SECTIONS AND DEFINE A SUBSTANTIALLY FLAT UNITERRUPTED SURFACE ON ONE FACE THEREOF AT THE JOINT THEREBETWEEN, AND SIDE REINFORCING EXTRUDED MEMBERS SECURED TO THE ENDS OF SAID SECTIONS, ONE OF THE ADJACENT EDGE PORTIONS OF EACH INTERLOCKED PAIR THEREOF BEING PROVIDED WITH A FLAT-BOTTOM CHANNEL EXTENDING THREALONG AND DISPOSED ENTIRELY TO ONE SIDE OF SAID ONE FACE OF THE CORRESPONDING SECTION, SAID CHANNEL HAVING ONE OF ITS SIDEWALLS PROVIDED WITH AN UNDERCUT PORTION, AND THE OTHER EDGE PORTION OF SAID PAIR BEING PROVIDED WITH A REVERSELY TURNED PORTION COMPLEMENTARY TO AND INTERFITTING SNUGLY WITHIN SAID CHANNEL, THE CONSTRUCTION AN ARRANGEMENT OF
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |