US3014117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic electric hot water mat
Assignee: Individual
•
Filing: 1959-05-15
•
Granted: 1961-12-19
•
Expires: 1979-05-15
Abstract
No abstract record available.
Inventors
- 👤 Robert T Madding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:24
CPC Classifications
A; A47; A47J; A47J41/00; A47J41/0038; A47J41/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1979467A
Cited
US1837117A
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US2068134A
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US2045784A
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GB586745A
Cited
US2467447A
Cited
US2411677A
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US2441005A
Cited
US2498983A
Cited
US2520851A
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US2842651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |