Patent US4491362A successfully refreshed from Google Patents.
US4491362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automotive fiberglass body
Assignee: Four Wheel Drive Hardware LLC
•
Filing: 1981-09-23
•
Granted: 1985-01-01
•
Expires: 2001-09-23
Abstract
Abstract An automotive fiberglass body of unitary construction. Fundamentally, the invention includes a unitary outer shell having the top edge thereof being provided with an inverted U-shaped receptacle. The unitary inner shell has the upper edge thereof received by such receptacle and adhered thereto. The cavity between the inner and outer shells is filled with a close foam insulative material to add strength, rigidity, and insulation to the assembly. A support member connects to the bottom periphery of the outer shell and to the bottom surface of the inner shell in completing and supporting engagement.
Inventors
- 👤 Thomas H. Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:30
CPC Classifications
B; B62; B62D; B62D29/00; B62D29/04; B62D29/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
An automotive body unit comprising: a fiberglass outer shell having a top edge about the periphery thereof, said top edge being, in cross-section, of an inverted U-shape; a fiberglass inner shell received by said outer body still at said top edge and within said U-shape, forming a cavity between said inner shell and outer body shell, said cavity being filled with a close foam insulative material; a support member attached to said outer body shell and in supporting interconnection with said inner shell about the bottom periphery thereof, said support member including a right angle and sealing said cavity; wherein said inner shell includes a vertical panel interconnected at right angles to a floor pan, said inner shell being of unitary construction; and wherein portions of said floor pan further include two layers of balsa wood sandwiched between two layers of fiber-glass, with a third layer of fiberglass therebetween.
Claim 2
Dependent Claim
149 words
An automotive body unit comprising: a fiberglass outer shell having a top edge about the periphery thereof, said top edge being, in cross-section, of an inverted U-shape; a fiberglass inner shell received by said outer body still at said top edge and within said U-shape, forming a cavity between said inner shell and outer body shell, said cavity being filled with a close foam insulative material; a support member attached to said outer body shell and in supporting interconnection with said inner shell about the bottom periphery thereof, said support member including a right angle and sealing said cavity; wherein said inner shell includes a vertical panel interconnected at right angles to a floor pan, said inner shell being of unitary construction; and wherein portions of said floor pan further include two layers of balsa wood sandwiched between two layers of fiber-glass, with a third layer of fiberglass therebetween.
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) | 1988-01-01 | 1988-07-02 | 1989-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-01 | 1992-07-02 | 1993-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-01 | 1996-07-02 | 1997-01-01 | $7700.00 | Window Closed / Lapsed |