US3400254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heating device for mounting inside a fabric covering
Assignee: Individual
•
Filing: 1966-07-18
•
Granted: 1968-09-03
•
Expires: 1986-07-18
Abstract
No abstract record available.
Inventors
- 👤 Takemori Hiroshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:00
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; H05B2203/00; H05B2203/002; H05B2203/006; H05B2203/011; H05B2203/013; H05B2203/017; H05B2203/026; H05B2203/029; H05B2203/036
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2277772A
Cited
US2404736A
Cited
US2559077A
Cited
US2473183A
Cited
US3060303A
Cited
GB1024046A
Cited
US3287684A
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 |