US2607334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heater or stove
Assignee: Individual
•
Filing: 1950-08-10
•
Granted: 1952-08-19
•
Expires: 1970-08-10
Abstract
No abstract record available.
Inventors
- 👤 Perlman Samuel Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:44
CPC Classifications
A; A47; A47J; A47J36/00; A47J36/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB117757A
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US936482A
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GB191502475A
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US1391415A
Cited
US1437073A
Cited
US1487474A
Cited
FR580829A
Cited
US1508334A
Cited
CH111961A
Cited
US1739138A
Cited
DE599185C
Cited
US2381906A
Cited
US2517254A
Cited
US2530721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |