US3307783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic surface
Assignee: Individual
•
Filing: 1964-03-04
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Granted: 1967-03-07
•
Expires: 1984-03-04
Abstract
No abstract record available.
Inventors
- 👤 John A Wiebelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:25
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/52; B64G1/58; B64G1/46; B64G1/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A THERMOSTATIC SURFACE COMPRISING: AN IMPERFORATE BASE SKIN HAVING AN EXTERIOR DIFFUSED SURFACE; AND A MULTIPLICITY OF PARALLELED ROWS OF THERMOSTATIC BIMETALLIC STRIPS, EACH OF SAID STRIPS HAVING ONE EDGE THEREOF AFFIXED TO SAID BASE SKIN, SAID BI-METALLIC STRIPS HAVING SPECULAR SURFACES, SAID BI-METALLIC STRIPS WARPING TO SHADE INCREASED AREAS OF SAID BASE SKIN AS THE TEMPERATURE THEREOF DECREASES.
Claim 2
Dependent Claim
59 words
A THERMOSTATIC SURFACE COMPRISING: AN IMPERFORATE BASE SKIN HAVING AN EXTERIOR DIFFUSED SURFACE; AND A MULTIPLICITY OF PARALLELED ROWS OF THERMOSTATIC BIMETALLIC STRIPS, EACH OF SAID STRIPS HAVING ONE EDGE THEREOF AFFIXED TO SAID BASE SKIN, SAID BI-METALLIC STRIPS HAVING SPECULAR SURFACES, SAID BI-METALLIC STRIPS WARPING TO SHADE INCREASED AREAS OF SAID BASE SKIN AS THE TEMPERATURE THEREOF DECREASES.
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |