US3017925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner units and methods
Assignee: Controls Company of America
•
Filing: 1959-08-28
•
Granted: 1962-01-23
•
Expires: 1979-08-28
Abstract
No abstract record available.
Inventors
- 👤 Richard F Van Tubergen
- 👤 Iii James L Breese
- 👤 Milton D Huston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:48
CPC Classifications
F; F23; F23D; F23D5/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE216523C
Cited
US2240861A
Cited
US2295799A
Cited
US2290544A
Cited
US2262922A
Cited
US2369999A
Cited
US2382419A
Cited
US2373814A
Cited
US2581238A
Cited
US2646110A
Cited
US2535923A
Cited
US2625214A
Cited
CH293289A
Cited
US2855031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |