US1776841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner
Assignee: Metropolitan Engineering Co
•
Filing: 1925-12-01
•
Granted: 1930-09-30
•
Expires: 1945-12-01
Abstract
No abstract record available.
Inventors
- 👤 Murray Joseph Bradley
- 👤 Jr Thomas E Murray
- 👤 John F Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:55
CPC Classifications
F; F23; F23M; F23M5/00; F23M5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-09-29 | 1934-03-31 | 1934-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-09-29 | 1938-03-31 | 1938-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-09-29 | 1942-03-31 | 1942-09-30 | $7700.00 | Window Closed / Lapsed |