Patent US220251A successfully refreshed from Google Patents.
Patent US3208505A successfully refreshed from Google Patents.
US3208505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holders for pilot burners, thermocouples and the like
Assignee: Robertshaw Controls Co
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Filing: 1962-01-03
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Granted: 1965-09-28
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Expires: 1982-01-03
Abstract
No abstract record available.
Inventors
- 👤 Lambert F Craemer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:54
CPC Classifications
F; F23; F23Q; F23Q9/00; F23Q9/02; F23Q9/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
IN COMBINATION, A SINGLE FLAT BLANK OF MATERIAL SUITABLY SHAPED TO DEFINE FIRST AND SECOND SETS OF ALTERNATELY DISPOSED AND ALIGNED STRAP-SHAPED PORTIONS EACH HAVING A SUBSTANTIALLY SEMI-CIRCULAR CROSS-SECTIONAL CONFIGURATION, A SUBSTANTIALLY CYLINDRICAL PILOT BURNER PRESS-FITTINGLY INSERTED BETWEEN SAID STRAP-SHAPED PORTIONS OF SAID FIRST SET OF AND HAVING SUBSTANTAILLY ONE-HALF OF THE OUTER PERIPHERAL CIRCUMFERENCE THEREOF ENGAGED BY EACH SAID STRAP-SHAPED PORTION AND A SUBSTANTIALLY CYLINDRICAL THERMOCOUPLE PRESS-FITTINGLY INSERTED BETWEEN SAID STRAPSHAPED PORTIONS OF SAID SECOND SET AND HAVING SUBSTANTIALLY ONE-HALF OF THE OUTER PERIPHERY CIRCUMFERENCE THEREOF ENGAGED BY EACH SAID STRAP-SHAPED PORTION, SAID BLANK HAVING ELONGATED SLOTS BETWEEN ADJACENT STRAPSHAPED PORTIONS OF SAID SECOND SET THEREOF, SAID THERMOCOUPLE HAVING OUTWARDLY DIRECTED ANNULAR SHOULDERS RESPECTIVELY RECEIVED IN SAID SLOTS.
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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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |