Patent US3303295A successfully refreshed from Google Patents.
Patent US2473624A successfully refreshed from Google Patents.
US2473624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incinerator
Assignee: HOLLAND FURNACE CO
•
Filing: 1945-07-30
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Granted: 1949-06-21
•
Expires: 1965-07-30
Abstract
No abstract record available.
Inventors
- 👤 Weyenberg Henry
- 👤 Wayne E Tice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:52
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US272459A
Cited
US283517A
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US851801A
Cited
US790483A
Cited
US962605A
Cited
GB116210A
Cited
US1395350A
Cited
US1405433A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |