US3029166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission and conveyor belting
Assignee: JH Fenner and Co Ltd
•
Filing: 1959-11-23
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Granted: 1962-04-10
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Expires: 1979-11-23
Abstract
No abstract record available.
Inventors
- 👤 Hainsworth Sidney Beetham
- 👤 Watts Gilbert Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:19
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/244; D06C; D06C23/00; D06M11/00; D06M11/73; D06M11/74; D06C2700/00; D06C2700/31; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2107; Y10T442/2418; Y10T442/2426
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN LTHE MANUFACTURE OF POWER TRANSMISSION AND CONVEYOR BELTING BY IMPREGNATING A MULTIPLE PLY TEXTILE FABRIC WITH AN IMPREGNATING MATERIAL SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, SYNTHETIC RUBBER AND POLYVINYL COMPOUNDS, AND THEREAFTER HEATING THE IMPREGNATED FABRIC TO GELL THE IMPREGNATING MATERIAL, THE STEPS OF AT LEAST PARTIALLY GELLING THE IMPREGANTAED MATERIAL AND THEREAFTER APPLYING A COATING OF ELECTRICALLY CONDUCTIVE CARBON TO THE SURFACE OF THE IMPREGNATING MATERIAL WHILE THE SURFACE IS STILL IN AN ADHESIVE CONDITION, THEREBY REDUCING THE SURFACE RESISTIVITY OF THE BELTING
Claim 2
Dependent Claim
87 words
IN LTHE MANUFACTURE OF POWER TRANSMISSION AND CONVEYOR BELTING BY IMPREGNATING A MULTIPLE PLY TEXTILE FABRIC WITH AN IMPREGNATING MATERIAL SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, SYNTHETIC RUBBER AND POLYVINYL COMPOUNDS, AND THEREAFTER HEATING THE IMPREGNATED FABRIC TO GELL THE IMPREGNATING MATERIAL, THE STEPS OF AT LEAST PARTIALLY GELLING THE IMPREGANTAED MATERIAL AND THEREAFTER APPLYING A COATING OF ELECTRICALLY CONDUCTIVE CARBON TO THE SURFACE OF THE IMPREGNATING MATERIAL WHILE THE SURFACE IS STILL IN AN ADHESIVE CONDITION, THEREBY REDUCING THE SURFACE RESISTIVITY OF THE BELTING
References Cited (Backward Citations)
US2772181A
Cited
US2930104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |