Patent US3320705A successfully refreshed from Google Patents.
US3320705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door frame fastener
Assignee: DONN PRODUCTS Inc
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Filing: 1965-06-15
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Granted: 1967-05-23
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Expires: 1985-06-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Lucien R Downing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:52
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/56; E06B1/60; E06B1/6015; E06B1/6023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
IN AN OPENING IN A PARTITION WALL HAVING A PAIR OF OPPOSITELY DISPOSED SPACED APART PLANAR WALL SURFACES, A DOOR FRAME AND MEANS FOR SECURING IT IN THE OPENING, COMPRISING: (A) A DOOR JAMB IN THE OPENING HAVING A PAIR OF SPACED APART, PARALLEL, MARGINAL EDGES ADJACENT THE WALL SURFACES; (B) A CASING RESILIENTLY SECURED TO EACH MARGINAL EDGE OF THE JAMB AND HAVING ITS FREE MARGINAL EDGE OVERLAPPING THE WALL SURFACE ADJACENT THE OPENING; (C) ABUTMENTS DISPOSED AT THE MARGINAL EDGES OF EACH CASING; (D) A PLURALITY OF SPACED FASTENING DEVICES SECURED ON EACH WALL SURFACE ADJACENT THE OPENING FOR ENGAGING AND HOLDING THE ADJACENT CASING, EACH DEVICE COMPRISING: (1) A SLOPED WEDGING SURFACE DIVERGING FROM THE WALL SURFACE AND OPENING, AND HAVING OPPOSING MARGINAL EDGES, THE WEDGING SURFACES ENGAGING THE FREE MARGINAL EDGES OF THE CASINGS AND FORCING THEM FROM THE WALL SURFACES AS THE CASINGS ARE FORCED OVER THE FASTENING DEVICES; AND (2) A MATING ABUTMENT AT EACH MARGINAL EDGE OF THE WEDGING SURFACE FOR INTERLOCKINGLY ENGAGING THE ABUTMENTS AT THE MARGINAL EDGES OF THE CASINGS TO HOLD THE DOOR FRAME IN THE OPENING; AND (E) MEANS COACTING WITH THE FASTENING DEVICES FOR SECURING THEM TO THE WALL SURFACES.
Claim 2
Dependent Claim
202 words
IN AN OPENING IN A PARTITION WALL HAVING A PAIR OF OPPOSITELY DISPOSED SPACED APART PLANAR WALL SURFACES, A DOOR FRAME AND MEANS FOR SECURING IT IN THE OPENING, COMPRISING: (A) A DOOR JAMB IN THE OPENING HAVING A PAIR OF SPACED APART, PARALLEL, MARGINAL EDGES ADJACENT THE WALL SURFACES; (B) A CASING RESILIENTLY SECURED TO EACH MARGINAL EDGE OF THE JAMB AND HAVING ITS FREE MARGINAL EDGE OVERLAPPING THE WALL SURFACE ADJACENT THE OPENING; (C) ABUTMENTS DISPOSED AT THE MARGINAL EDGES OF EACH CASING; (D) A PLURALITY OF SPACED FASTENING DEVICES SECURED ON EACH WALL SURFACE ADJACENT THE OPENING FOR ENGAGING AND HOLDING THE ADJACENT CASING, EACH DEVICE COMPRISING: (1) A SLOPED WEDGING SURFACE DIVERGING FROM THE WALL SURFACE AND OPENING, AND HAVING OPPOSING MARGINAL EDGES, THE WEDGING SURFACES ENGAGING THE FREE MARGINAL EDGES OF THE CASINGS AND FORCING THEM FROM THE WALL SURFACES AS THE CASINGS ARE FORCED OVER THE FASTENING DEVICES; AND (2) A MATING ABUTMENT AT EACH MARGINAL EDGE OF THE WEDGING SURFACE FOR INTERLOCKINGLY ENGAGING THE ABUTMENTS AT THE MARGINAL EDGES OF THE CASINGS TO HOLD THE DOOR FRAME IN THE OPENING; AND (E) MEANS COACTING WITH THE FASTENING DEVICES FOR SECURING THEM TO THE WALL SURFACES.
References Cited (Backward Citations)
US3001246A
Cited
US3130455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |