Patent US1502976A successfully refreshed from Google Patents.
Patent US3082508A successfully refreshed from Google Patents.
US3082508A
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US
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Heat flowmeter and device for the construction thereof
Assignee: Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
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Filing: 1958-01-07
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Granted: 1963-03-26
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Expires: 1978-01-07
Abstract
No abstract record available.
Inventors
- 👤 Velde Ties Siebolt Te
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:55
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49085; Y10T29/49826; Y10T29/49888; Y10T29/4998; Y10T29/49982; Y10T29/49986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A PROCESS FOR THE PRODUCTION OF A HELICAL SERIES CONNECTION OF THERMO-ELEMENTS OF METAL WIRE, THE DIAMETER OF SAID WIRE BEING LESS THAN 0.15 MM., COMPRISING WINDING SAID WIRE AS A HELIX ON A MANDRIL HAVING AT LEAST ONE FLAT SIDE SO AS TO PROVIDE FOR A STRAIGHT PART IN EACH TURN OF SAID HELIX, ANNEALING SAID HELIX ON SAID MANDRIL TO REMOVE ANY TENSIONS THEREFROM, PERIODICALLY PUSHING TURNS OF SAID HELIX OFF SAID MANDRIL, LEADING SAID HELIX OVER A LACQUER-BATHED DISC SO AS TO PROVIDE A PART OF EACH OF SAID TURNS WITH A SURFACE LAYER OF INSULATING LACQUER, AND BATH-COATING THE REMAINING UNCOVERED PART OF EACH OF SAID TURNS WITH A SURFACE LAYER OF A THERMO-ELECTRICALLY DISSIMILAR METAL SO THAT THE JUNCTIONS OF THE COATED PARTS AND THE LACQUERED PARTS LIE ON EITHER SIDE OF EACH OF SAID STRAIGHT PARTS OF SAID TURNS.
Claim 2
Dependent Claim
145 words
A PROCESS FOR THE PRODUCTION OF A HELICAL SERIES CONNECTION OF THERMO-ELEMENTS OF METAL WIRE, THE DIAMETER OF SAID WIRE BEING LESS THAN 0.15 MM., COMPRISING WINDING SAID WIRE AS A HELIX ON A MANDRIL HAVING AT LEAST ONE FLAT SIDE SO AS TO PROVIDE FOR A STRAIGHT PART IN EACH TURN OF SAID HELIX, ANNEALING SAID HELIX ON SAID MANDRIL TO REMOVE ANY TENSIONS THEREFROM, PERIODICALLY PUSHING TURNS OF SAID HELIX OFF SAID MANDRIL, LEADING SAID HELIX OVER A LACQUER-BATHED DISC SO AS TO PROVIDE A PART OF EACH OF SAID TURNS WITH A SURFACE LAYER OF INSULATING LACQUER, AND BATH-COATING THE REMAINING UNCOVERED PART OF EACH OF SAID TURNS WITH A SURFACE LAYER OF A THERMO-ELECTRICALLY DISSIMILAR METAL SO THAT THE JUNCTIONS OF THE COATED PARTS AND THE LACQUERED PARTS LIE ON EITHER SIDE OF EACH OF SAID STRAIGHT PARTS OF SAID TURNS.
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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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |