Patent US3132354A successfully refreshed from Google Patents.
US3132354A
Expired / Lapsed
US
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Composite insulator
Assignee: Van Dresser Specialty Corp
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Filing: 1962-01-29
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Granted: 1964-05-12
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Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 Richard P Doerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:46
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/30; Y; Y10; Y10T; Y10T29/00; Y10T29/48; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49874
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AN ELONGATED COMPOSITE INSULATOR FOR USE BETWEEN AN OVERLYING PADDING AND AN UNDERLYING SUPPORTING SPRING STRUCTURE OF AN UPHOLSTERED ASSEMBLY; COMPRISING AN ELONGATED LAYER COMPOSED OF LATERALLY SPACED SUBSTANTIALLY PARALLEL LONGITUDINALLY EXTENDING FLEXIBLE STRANDS AND LATERALLY SPACED SUBSTANTIALLY PARALLEL TRANSVERSELY EXTENDING FLEXIBLE STRANDS EXTENDING OVER AND UNDER SUCCESSIVE LONGITUDINALLY EXTENDING STRANDS, A LAYER ON ONE SIDE OF SAID ELONGATED LAYER AND COMPRISING A PLURALITY OF LATERALLY SPACED SUBSTANTIALLY PARALLEL FLEXIBLE STRIPS EXTENDING LONGITUDINALLY FROM ONE END TO THE OTHER OF SAID ELONGATED LAYER, AND A LAYER ON THE OPPOSITE SIDE OF SAID ELONGATED LAYER AND COMPRISING A PLURALITY OF LATERALLY SPACED SUBSTANTIALLY PARALLEL FLEXIBLE STRIPS EXTENDING TRANSVERSELY FROM ONE LONGITUDINAL SIDE EDGE TO THE OTHER OF SAID ELONGATED LAYER, THE STRIPS OF THE SECOND AND THIRD MENTIONED LAYERS BEING SECURED TO THE STRANDS OF SAID ELONGATED LAYER.
Claim 2
Dependent Claim
137 words
AN ELONGATED COMPOSITE INSULATOR FOR USE BETWEEN AN OVERLYING PADDING AND AN UNDERLYING SUPPORTING SPRING STRUCTURE OF AN UPHOLSTERED ASSEMBLY; COMPRISING AN ELONGATED LAYER COMPOSED OF LATERALLY SPACED SUBSTANTIALLY PARALLEL LONGITUDINALLY EXTENDING FLEXIBLE STRANDS AND LATERALLY SPACED SUBSTANTIALLY PARALLEL TRANSVERSELY EXTENDING FLEXIBLE STRANDS EXTENDING OVER AND UNDER SUCCESSIVE LONGITUDINALLY EXTENDING STRANDS, A LAYER ON ONE SIDE OF SAID ELONGATED LAYER AND COMPRISING A PLURALITY OF LATERALLY SPACED SUBSTANTIALLY PARALLEL FLEXIBLE STRIPS EXTENDING LONGITUDINALLY FROM ONE END TO THE OTHER OF SAID ELONGATED LAYER, AND A LAYER ON THE OPPOSITE SIDE OF SAID ELONGATED LAYER AND COMPRISING A PLURALITY OF LATERALLY SPACED SUBSTANTIALLY PARALLEL FLEXIBLE STRIPS EXTENDING TRANSVERSELY FROM ONE LONGITUDINAL SIDE EDGE TO THE OTHER OF SAID ELONGATED LAYER, THE STRIPS OF THE SECOND AND THIRD MENTIONED LAYERS BEING SECURED TO THE STRANDS OF SAID ELONGATED LAYER.
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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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |