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US3574104A
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Glass fiber constructional member
Assignee: TRANPOL INTERNATIONAL Inc A CORP OF
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Filing: 1968-01-24
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Granted: 1971-04-06
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Expires: 1988-01-24
Abstract
Abstract A CONSTRUCTION MEMBER FORMED OF GLASS FIBER ELEMENTS IMPREGNATED WITH A HARDENED RESIN WHEREIN THE MEMBER HAS SUFFICIENT STRENGTH CHARACTERISTICS TO BE USED IN CONJUNCTION WITH OTHER CONSTRUCTION MEMBERS, OR MAY BE USED SEPARATELY, SUCH AS TO FORM A POLE OR THE LIKE. SUPERIOR STRENGTH CHARACTERISTICS ARE OBTANED BY INTERPOSING GLASS FIBER ROD TYPE ELEMENTS BETWEEN GLASS FIBER FABRIC LAYERS IMPREGNATED WITH A HARDENED RESIN WHEREIN THE RESIN BONDS THE FABRIC LAYERS TO EACH OTHER AND TO THE RODS TO PRODUCE AN ALL GLASS FIBER AND RESIN MEMBER CAPABLE OF WITHSTANDING HIGH BENDING MOMENT, AND LATERAL FORCES, WITHOUT EXCESSIVE DEFLECTION.
Inventors
- 👤 Albert Medler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:01
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/562; B29C53/80; B29C53/8008; B29C53/805; B29C53/82; B29C53/821; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C70/083; B29C70/085; B29C70/10; B29C70/16; B29C70/28; B29C70/54; B29C70/56; E; E04; E04H; E04H12/00; E04H12/20; B29K; B29K2309/00; B29K2309/08; E04H12/24; Y; Y10; Y10S; Y10S273/00; Y10S273/07; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T428/00; Y10T428/13; Y10T428/131; Y10T428/1314; Y10T428/249921; Y10T428/249922; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2936; Y10T442/00; Y10T442/60; Y10T442/659; Y10T442/67
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |