US3645309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a hollow wooden blank
Assignee: Individual
•
Filing: 1970-01-06
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Granted: 1972-02-29
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Expires: 1990-01-06
Abstract
Abstract The blank is formed by first cutting an unseasoned log along two longitudinally spaced transverse planes to form a disklike slab, then cutting the slab along two concentric annular paths which are concentric to the growth rings of the wood, and thereafter seasoning the blank. One end of the hollow blank interior is usually closed by an end piece secured therein. The end piece is formed from a disk similar to the slab, but the disk is first severed along one of its diameters and seasoned, after which the end piece is cut from it. The blank may be cylindrical or frustoconical. One end of the hollow blank interior may be tapered to define a seat for accommodating a frustoconically shaped end piece.
Inventors
- 👤 Roger I Canfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:29
CPC Classifications
B; B27; B27C; B27C7/00; B27M; B27M3/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
100 words
A method of forming a wooden blank from which hollow articles may be made, comprising the steps of a. cutting an unseasoned log along two substantially parallel and spaced apart planes, each plane being being generally transverse to the longitudinal direction of the log, thereby forming a disklike slab having two faces, b. cutting the unseasoned slab along two annular and spaced apart paths, each path extending from one slab face to the other and being substantially concentric with the growth rings of the wood, thereby defining a hollow annular blank between said paths, and thereafter c. seasoning the blank.
Claim 2
Independent Claim
100 words
A method of forming a wooden blank from which hollow articles may be made, comprising the steps of a. cutting an unseasoned log along two substantially parallel and spaced apart planes, each plane being being generally transverse to the longitudinal direction of the log, thereby forming a disklike slab having two faces, b. cutting the unseasoned slab along two annular and spaced apart paths, each path extending from one slab face to the other and being substantially concentric with the growth rings of the wood, thereby defining a hollow annular blank between said paths, and thereafter c. seasoning the blank.
Claim 3
Dependent Claim
30 words
A method as defined in claim 1 wherein each of said annular paths diverges from one of the slab faces to the other, whereby the blank has a frustoconical shape.
Claim 4
Dependent Claim
31 words
A method as defined in claim 1 wherein each of said annular paths is cylindrical from one of the slab faces to the other, whereby the blank has a cylindrical shape.
Claim 5
Dependent Claim
29 words
A method as defined in claim 1 including the step of securing a separate end piece within the hollow interior of the blank at one end of the latter.
Claim 6
Dependent Claim
27 words
A method as defined in claim 4 including the step of forming said one end of the blank with a tapered seat for receiving the end piece.
Claim 7
Dependent Claim
95 words
A method as defined in claim 4 wherein said end piece is made of wood and is formed by steps comprising a. cutting an unseasoned log along two substantially parallel and spaced apart planes, each plane being generally transverse to the longitudinal direction of the log, thereby forming a disk having two faces, b. severing the disk along a diameter thereof, c. seasoning the disk, and d. cutting a piece of the seasoned disk along an annular path extending from one disk face to the other, the end piece being the material within the cut.
Claim 8
Dependent Claim
49 words
A method as defined in claim 6 wherein said annular path of step (d) diverges from one face of the disk to the other, whereby the end piece has a frustoconical shape and is thereby adapted to be received within a tapered seat at one end of said blank.
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) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |