US3373467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace wall repairing device
Assignee: Individual
•
Filing: 1965-10-21
•
Granted: 1968-03-19
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Loughrey Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:03
CPC Classifications
F; F27; F27D; F27D1/00; F27D1/16; F27D1/1626; F27D2001/1605; F27D2001/1615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US503079A
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US868574A
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AT47919B
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US1153796A
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US1249422A
Cited
US1901391A
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US2220085A
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US2476601A
Cited
US2638774A
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CH338364A
Cited
US3012299A
Cited
US3094964A
Cited
US3325955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |