US2595566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal pipe connection for spill burners
Assignee: Dowty Equipment Ltd
•
Filing: 1949-10-31
•
Granted: 1952-05-06
•
Expires: 1969-10-31
Abstract
No abstract record available.
Inventors
- 👤 Carey Frederick Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:32
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/24; F23D11/26; F23D11/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US290196A
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US908414A
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GB190930501A
Cited
US1034965A
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US1771250A
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US2177781A
Cited
US2323635A
Cited
US2366541A
Cited
US2385421A
Cited
FR918129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |