US3201818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield wiper and method of producing the same
Assignee: —
•
Filing: 1964-05-12
•
Granted: 1965-08-24
•
Expires: 1984-05-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:36
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/38; B60S1/3803; B60S1/3805; B29; B29C; B29C48/00; B29C48/15; B29C48/03; B29C48/07; B29L; B29L2031/00; B29L2031/30; B29L2031/305; B60S2001/3812; B60S2001/3817; B60S2001/382; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49087
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
98 words
THE METHOD OF PRODUCING A WINDSHIELD WIPER BLADE WHICH COMPRISES THE STEPS OF EXTRUDING A FLEXIBLE PLASTIC MATERIAL ONTO AND ABOUT A FLEXIBLE INSULATED HEATING ELEMENT FORMED OF A RESISTANCE ALLOY, THEREAFTER SEVERING THE RESULTING STRIP INTO LENGTHS EXCEEDING THE LENGTH OF A WINDSHIELD WIPER BLADE TO BE PRODUCED, REMOVING THE PLASTIC MATERIAL FROM THE INSULATED HEATING ELEMENT AT THE OPPOSITE ENDS OF THE SEVERED LENGTHS OF THE STRIP THUS PRODUCED TO PROVIDE INSULATED ELECTTRICAL LEADS, AND STRIPPING THE INSULATION FROM A PORTION OF THE LEADS THUS PROVIDED FOR CONNECTING THE WIRE TO A SOURCE OF ELECTRICAL CURRENT.
Claim 2
Independent Claim
98 words
THE METHOD OF PRODUCING A WINDSHIELD WIPER BLADE WHICH COMPRISES THE STEPS OF EXTRUDING A FLEXIBLE PLASTIC MATERIAL ONTO AND ABOUT A FLEXIBLE INSULATED HEATING ELEMENT FORMED OF A RESISTANCE ALLOY, THEREAFTER SEVERING THE RESULTING STRIP INTO LENGTHS EXCEEDING THE LENGTH OF A WINDSHIELD WIPER BLADE TO BE PRODUCED, REMOVING THE PLASTIC MATERIAL FROM THE INSULATED HEATING ELEMENT AT THE OPPOSITE ENDS OF THE SEVERED LENGTHS OF THE STRIP THUS PRODUCED TO PROVIDE INSULATED ELECTTRICAL LEADS, AND STRIPPING THE INSULATION FROM A PORTION OF THE LEADS THUS PROVIDED FOR CONNECTING THE WIRE TO A SOURCE OF ELECTRICAL CURRENT.
Claim 3
Dependent Claim
167 words
A FLEXOBLE WINDSHIELD WIPER BLADE ADAPTED FOR USE IN WIPING A CURVED WINDSHIELD COMPRISING A STRIP OF FLEXIBLE PLASTIC MATERIAL HAVING A HEATING ELEMENT EMBEDDED IN THE PLASTIC MATERIAL AND INTIMATELY AND PERMANENTLY BONDED TO THE PLASTIC MATERIAL, SAID STRIP BEING OF UNIFORM CROSS SECTION THROUGHOUT THE LENGTH THEREOF AND HAVING OPPOSITE EDGES WITH MEANS EXTENDING LONGITUDINALLY OF THE STRIP ADJACENT ONE OF SAID EDGES FOR MOUNTING THE BLADE IN A HOLDER, THE OPPOSITE EDGE OF THE STRIP BEING TAPERED FOR FLEXIBLE WIPING ENGAGEMENT WITH A WINDSHIELD, THE HEATING ELEMENT HAVING A WIDTH GREATER THAN ITS THICKNESS AND BEING ARRANGED IN THE STRIP WITH ITS WIDTH AT RIGHT ANGLES TO A PLANE INCLUDING SAID EDGES OF THE STRIP AND SERVING TO RENDER THE WIPER BLADE FLEXIBLE IN SAID PLANE TO CONFORM TO THE CURVATURE OF A WINDSHIELD WHILE OPPOSING TRANSVERSE BENDING OF THE WINDSHIELD WIPER BLADE, THE ENDS OF SAID HEATING ELEMENT PROJECTING BEYOND THE ENDS OF THE BLADE FOR CONNECTION TO A SOURCE OF ELECTRICAL CURRENT.
Claim 4
Dependent Claim
167 words
A FLEXOBLE WINDSHIELD WIPER BLADE ADAPTED FOR USE IN WIPING A CURVED WINDSHIELD COMPRISING A STRIP OF FLEXIBLE PLASTIC MATERIAL HAVING A HEATING ELEMENT EMBEDDED IN THE PLASTIC MATERIAL AND INTIMATELY AND PERMANENTLY BONDED TO THE PLASTIC MATERIAL, SAID STRIP BEING OF UNIFORM CROSS SECTION THROUGHOUT THE LENGTH THEREOF AND HAVING OPPOSITE EDGES WITH MEANS EXTENDING LONGITUDINALLY OF THE STRIP ADJACENT ONE OF SAID EDGES FOR MOUNTING THE BLADE IN A HOLDER, THE OPPOSITE EDGE OF THE STRIP BEING TAPERED FOR FLEXIBLE WIPING ENGAGEMENT WITH A WINDSHIELD, THE HEATING ELEMENT HAVING A WIDTH GREATER THAN ITS THICKNESS AND BEING ARRANGED IN THE STRIP WITH ITS WIDTH AT RIGHT ANGLES TO A PLANE INCLUDING SAID EDGES OF THE STRIP AND SERVING TO RENDER THE WIPER BLADE FLEXIBLE IN SAID PLANE TO CONFORM TO THE CURVATURE OF A WINDSHIELD WHILE OPPOSING TRANSVERSE BENDING OF THE WINDSHIELD WIPER BLADE, THE ENDS OF SAID HEATING ELEMENT PROJECTING BEYOND THE ENDS OF THE BLADE FOR CONNECTION TO A SOURCE OF ELECTRICAL CURRENT.
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |