US2629757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of construction of sensitive thermopiles
Assignee: HERBERT COUCHMAN MCKAY
•
Filing: 1943-11-08
•
Granted: 1953-02-24
•
Expires: 1963-11-08
Abstract
No abstract record available.
Inventors
- 👤 Mckay Herbert Couchman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:49
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/10; G01J5/12; H; H10; H10N; H10N10/00; H10N10/01; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A METHOD OF PRODUCING A THERMOPILE WHICH COMPRISES STAMPING A RESIST UPON ALL OF AN ELECTRICALLY NON-CONDUCTING BASE EXCEPT THOSE PORTIONS UPON WHICH NARROW FILMS OF A FIRST METAL ARE TO APPEAR, CONDENSING UPON SAID BASE SO STAMPED A VAPOR OF SAID FIRST METAL, CLEANING THE RESIST AND THE FIRST METAL DEPOSITED THEREUPON FROM THE BASE THEREBY LEAVING NARROW FILMS OF THE FIRST METAL JOINED TO THE BASE, STAMPING A RESIST UPON ALL OF SAID BASE SO TREATED EXCEPT THOSE PORTIONS UPON WHICH NARROW FILMS OF A
Claim 2
Independent Claim
87 words
A METHOD OF PRODUCING A THERMOPILE WHICH COMPRISES STAMPING A RESIST UPON ALL OF AN ELECTRICALLY NON-CONDUCTING BASE EXCEPT THOSE PORTIONS UPON WHICH NARROW FILMS OF A FIRST METAL ARE TO APPEAR, CONDENSING UPON SAID BASE SO STAMPED A VAPOR OF SAID FIRST METAL, CLEANING THE RESIST AND THE FIRST METAL DEPOSITED THEREUPON FROM THE BASE THEREBY LEAVING NARROW FILMS OF THE FIRST METAL JOINED TO THE BASE, STAMPING A RESIST UPON ALL OF SAID BASE SO TREATED EXCEPT THOSE PORTIONS UPON WHICH NARROW FILMS OF A
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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) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |