US3371628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated closure constructions and methods of assembly thereof
Assignee: MEILINK STEEL SAFE Co
•
Filing: 1966-06-06
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Granted: 1968-03-05
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Expires: 1986-06-06
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Mcclellan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:34
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/0075; E05B65/0082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
AN INSULATED CLOSURE COMPRISING: (A) AN OUTER PLATE, (B) A FRAME AROUND THE EDGE OF SAID PLATE GIVING THICKNESS TO SAID CLOSURE HAVING A FIRST HOLE THEREIN, (C) A BOLT WORK BOX HAVING AN OPEN SIDE FLUSH WITH THE INNER EDGE OF SAID FRAME, SAID BOX BEING SPACED FROM SAID OUTER PLATE WITHIN THE THICKNESS OF SAID CLOSURE AND HAVING A SECOND HOLE THEREIN ALIGNED WITH SAID FIRST HOLE, (D) A TUBE EXTENDING BETWEEN THE PERIPHERAL EDGES OF SAID FIRST AND SECOND HOLES, AND (E) INSULATION MEANS FILLING THE SPACE BETWEEN SAID PLATE AND SAID EDGE OF SAID FRAME THROUGHOUT THE THICKNESS OF SAID CLOSURE INCLUDING SURROUNDING SAID TUBE AND FILLING THE SPACE BETWEEN SAID PLATE AND SAID BOX.
Claim 2
Dependent Claim
119 words
AN INSULATED CLOSURE COMPRISING: (A) AN OUTER PLATE, (B) A FRAME AROUND THE EDGE OF SAID PLATE GIVING THICKNESS TO SAID CLOSURE HAVING A FIRST HOLE THEREIN, (C) A BOLT WORK BOX HAVING AN OPEN SIDE FLUSH WITH THE INNER EDGE OF SAID FRAME, SAID BOX BEING SPACED FROM SAID OUTER PLATE WITHIN THE THICKNESS OF SAID CLOSURE AND HAVING A SECOND HOLE THEREIN ALIGNED WITH SAID FIRST HOLE, (D) A TUBE EXTENDING BETWEEN THE PERIPHERAL EDGES OF SAID FIRST AND SECOND HOLES, AND (E) INSULATION MEANS FILLING THE SPACE BETWEEN SAID PLATE AND SAID EDGE OF SAID FRAME THROUGHOUT THE THICKNESS OF SAID CLOSURE INCLUDING SURROUNDING SAID TUBE AND FILLING THE SPACE BETWEEN SAID PLATE AND SAID BOX.
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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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |