US2745942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically heated mat and the like
Assignee: Individual
•
Filing: 1953-06-18
•
Granted: 1956-05-15
•
Expires: 1973-06-18
Abstract
No abstract record available.
Inventors
- 👤 Irving M Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:28
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; H05B2203/00; H05B2203/002; H05B2203/004; H05B2203/014; H05B2214/00; H05B2214/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US416360A
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USRE21474E
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US1950124A
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US2215042A
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US2340097A
Cited
US2511378A
Cited
US2513733A
Cited
US2610286A
Cited
US2600486A
Cited
US2619580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |