US2633543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bimorph element
Assignee: GULTON Manufacturing CORP
•
Filing: 1948-04-19
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Granted: 1953-03-31
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Expires: 1968-04-19
Abstract
No abstract record available.
Inventors
- 👤 Glenn N Howatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:52
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462; C04B35/465; C04B35/468; C04B35/4682; H; H04; H04R; H04R17/00; Y; Y10; Y10T; Y10T29/00; Y10T29/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE METHOD OF PRODUCING A BIMORPH TITANATE WHICH COMPRISES FORMING A STRIP OF CERAMIC OF A CLASS CONSISTING OF METAL TITANATES, TITANIUM DIOXIDE, AND MIXTURES THEREOF, TREATING THE SAID STRIP TO PARTIALLY REDUCE THE CERAMIC BODY AND DECREASE THE ELECTRICAL RESISTANCE THEREOF, AND THEREAFTER OXIDIZING ONLY A PORTION OF THE STRIP TO PRODUCE AT LEAST TWO LAYERS HAVING DIFFERENT ELECTRICAL CONDUCTIVITY.
Claim 2
Independent Claim
61 words
THE METHOD OF PRODUCING A BIMORPH TITANATE WHICH COMPRISES FORMING A STRIP OF CERAMIC OF A CLASS CONSISTING OF METAL TITANATES, TITANIUM DIOXIDE, AND MIXTURES THEREOF, TREATING THE SAID STRIP TO PARTIALLY REDUCE THE CERAMIC BODY AND DECREASE THE ELECTRICAL RESISTANCE THEREOF, AND THEREAFTER OXIDIZING ONLY A PORTION OF THE STRIP TO PRODUCE AT LEAST TWO LAYERS HAVING DIFFERENT ELECTRICAL CONDUCTIVITY.
References Cited (Backward Citations)
US2270872A
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US2272330A
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US2272331A
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US2434236A
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US2486560A
Cited
US2484950A
Cited
US2477596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |