US3149406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making electrical heating and conducting devices
Assignee: Individual
•
Filing: 1958-12-29
•
Granted: 1964-09-22
•
Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Eisler Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:51
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/22; H05B3/26; H01; H01B; H01B1/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49083; Y10T29/49117; Y10T29/49124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A METHOD OF PRODUCING AN ELECTRIC HEATING FABRIC BY FORMING A MEANDER PATTERN OF ELECTRICALLY CONDUCTING METAL FOIL WHICH INCLUDES THE STEPS OF MAKING SEQUENCES OF SPACED SUTS OF SUBSTANTIAL LENGTH EACH SEQUENCE EXTENDING IN A LINE, THE LINES BEING SUBSTANTIALLY PARALLEL AND THE BRIDGES OF UNCUT FOIL LET BETWEEN CUTS BEING SUBSTANTIALY OPPOSITE IN ALTERANTE LINES BUT BEING STAGGERED WITH RESPECT TO THOSE IN ADJACENT LINES, CRIMPING THE FOIL OVER SUBSTANTIALLY WHOLE AREA BY FOLDING IT INTO A MULTIPLICITY OF UNDULATIONS OF VERY SMALL SIZE IN RELATION TO THE LENGTH OF THE CUTS WITHOUT SUBSTANTIALLY REDUCING THE THICKNESS OF THE FOIL ITSELF, THE DIRECTION OF THE CRIMPING BEING SUCH THAT THE FREEDOM AFFORED BY THE UNDULATIONS TO THE FOIL TO EXPAND AND CONTRACT IN ITS OWN PLANE IS IN DIRECTIONS HAVING A SUBSTANTIAL COMPONENT PERPENDICULAR TO THE LINES OF CUTS, EXPANDING THE FOIL IN ITS OWN PLANE IN A DIRECTION HAVING A SUBSTANTIAL COMPONENT PERPENDICULAR TO THE LINES OF CUTS AND WITHIN THE FREEDOM AFFORDED BY AT LEAST
Claim 2
Independent Claim
169 words
A METHOD OF PRODUCING AN ELECTRIC HEATING FABRIC BY FORMING A MEANDER PATTERN OF ELECTRICALLY CONDUCTING METAL FOIL WHICH INCLUDES THE STEPS OF MAKING SEQUENCES OF SPACED SUTS OF SUBSTANTIAL LENGTH EACH SEQUENCE EXTENDING IN A LINE, THE LINES BEING SUBSTANTIALLY PARALLEL AND THE BRIDGES OF UNCUT FOIL LET BETWEEN CUTS BEING SUBSTANTIALY OPPOSITE IN ALTERANTE LINES BUT BEING STAGGERED WITH RESPECT TO THOSE IN ADJACENT LINES, CRIMPING THE FOIL OVER SUBSTANTIALLY WHOLE AREA BY FOLDING IT INTO A MULTIPLICITY OF UNDULATIONS OF VERY SMALL SIZE IN RELATION TO THE LENGTH OF THE CUTS WITHOUT SUBSTANTIALLY REDUCING THE THICKNESS OF THE FOIL ITSELF, THE DIRECTION OF THE CRIMPING BEING SUCH THAT THE FREEDOM AFFORED BY THE UNDULATIONS TO THE FOIL TO EXPAND AND CONTRACT IN ITS OWN PLANE IS IN DIRECTIONS HAVING A SUBSTANTIAL COMPONENT PERPENDICULAR TO THE LINES OF CUTS, EXPANDING THE FOIL IN ITS OWN PLANE IN A DIRECTION HAVING A SUBSTANTIAL COMPONENT PERPENDICULAR TO THE LINES OF CUTS AND WITHIN THE FREEDOM AFFORDED BY AT LEAST
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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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |