US3367572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pilot and burner valve construction and method for an oven and the like
Assignee: Robertshaw Controls Co
•
Filing: 1965-12-07
•
Granted: 1968-02-06
•
Expires: 1985-12-07
Abstract
No abstract record available.
Inventors
- 👤 Charles D Branson
- 👤 Willson James Robert
- 👤 Malcom Arthur Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:59
CPC Classifications
F; F23; F23Q; F23Q9/00; F23N; F23N1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1842337A
Cited
US2999535A
Cited
US3078916A
Cited
US3166248A
Cited
US3146823A
Cited
US3155143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |