Patent US3103712A successfully refreshed from Google Patents.
US3103712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature resistant viewing device
Assignee: Individual
•
Filing: 1961-05-23
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Granted: 1963-09-17
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Expires: 1981-05-23
Abstract
No abstract record available.
Inventors
- 👤 Allinikov Sidney
- 👤 Fred W Forbes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:17
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/14; B64C1/1476; B64C1/1492
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
IN A HIGH TEMPERATURE SHIELDING OBSERVATION DEVICE, A RAPIDLY ROTATABLE HIGH TEMPERATURE INSULATION HEAT SHIELD HAVING ONE FACE THEREOF ADAPTED TO BE EXPOSED TO HIGH TEMPERATURES, SAID HEAT SHIELD HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED VIEWING OPENINGS FORMED THERETHROUGH, A TRANSPARENT HEAT RESISTANT WINDOW PLATE DISPOSED BEHIND SAID SHIELD IN SPACED PARALLEL RELATION THERETO, AND COOLING MEANS DISPOSED BETWEEN THE ADJACENT SPACED FACES OF SAID HEAT SHIELD AND SAID TRANSPARENT WINDOW PLATE FOR DIRECTING A COOLING MEDIUM FROM SAID COOLING MEANS ACROSS THE ADJACENT SPACED FACES AFORESAID, FOR CONTROLLING THE TEMPERATURE OF SAID TRANSPARENT WINDOW PLATE, AND MEANS CONNECTED TO SAID SHIELD AND TRANSPARENT WINDOW PLATE COOLING MEANS FOR SUPPLYING A COOLING MEDIUM INTO SAID COOLING MEANS.
References Cited (Backward Citations)
US869118A
Cited
US2932237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |