US3353005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazing furnace
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1965-07-06
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Granted: 1967-11-14
•
Expires: 1985-07-06
Abstract
No abstract record available.
Inventors
- 👤 James C Sisson
- 👤 Jr Edward C Sparrow
- 👤 Paul N Eckles
- 👤 Fred H Meissner
- 👤 Woodrow A Burnham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:25
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/0014; B; B23; B23K; B23K1/00; B23K1/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A BRAZING FURNACE COMPRISING: A HINGED PAIR OF SIMILAR HALF-CYCLINDERS FORMING, WHEN CLOSED, AN ANNULAR ENCLOSURE; AN ARRAY OF UNIFORMLY SPACED INFRA-RED RADIATING GENERATORS DISPOSED ABOUT THE INNER PERIPHERY OF SAID ANNULAR CLOSURE; AND AN ANNULAR REFLECTING DEPRESSION IN THE INNER PERIPHERY OF SAID ANNULAR ENCLOSURE, SAID DEPRESSION BEING CIRCUMFERENTIALLY FORMED IN SAID INNER PERIPHERY AND LOCATED THEREIN WITH RESPECT TO SAID GENERATORS SO AS TO DIRECT RADIATION FROM SAID GENERATORS IN AN ANNULAR BAND WITHIN SAID ANNULAR ENCLOSURE, SAID ANNULAR BAND BEING NARROWER THAN SAID ANNULAR ENCLOSURE,
Claim 2
Dependent Claim
88 words
A BRAZING FURNACE COMPRISING: A HINGED PAIR OF SIMILAR HALF-CYCLINDERS FORMING, WHEN CLOSED, AN ANNULAR ENCLOSURE; AN ARRAY OF UNIFORMLY SPACED INFRA-RED RADIATING GENERATORS DISPOSED ABOUT THE INNER PERIPHERY OF SAID ANNULAR CLOSURE; AND AN ANNULAR REFLECTING DEPRESSION IN THE INNER PERIPHERY OF SAID ANNULAR ENCLOSURE, SAID DEPRESSION BEING CIRCUMFERENTIALLY FORMED IN SAID INNER PERIPHERY AND LOCATED THEREIN WITH RESPECT TO SAID GENERATORS SO AS TO DIRECT RADIATION FROM SAID GENERATORS IN AN ANNULAR BAND WITHIN SAID ANNULAR ENCLOSURE, SAID ANNULAR BAND BEING NARROWER THAN SAID ANNULAR ENCLOSURE,
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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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |