Patent US3400244A successfully refreshed from Google Patents.
US3400244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for electrically heating floor tile prior to removal
Assignee: HENRY E MELTZER
•
Filing: 1965-05-03
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Granted: 1968-09-03
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Expires: 1985-05-03
Abstract
No abstract record available.
Inventors
- 👤 Henry E Meltzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:46
CPC Classifications
E; E04; E04G; E04G23/00; E04G23/006; H; H05; H05B; H05B3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1528948A
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US1789269A
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US2038555A
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US2240913A
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US2588185A
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US2632087A
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US2760045A
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US2902576A
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US3293413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |