US3390252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heating tool
Assignee: Lanteris Space LLC
•
Filing: 1965-10-22
•
Granted: 1968-06-25
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Robert C Storck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:51
CPC Classifications
H; H05; H05B; H05B3/00; H05B2203/00; H05B2203/03; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49169
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2221646A
Cited
US2274169A
Cited
US2513431A
Cited
US2667557A
Cited
US2807705A
Cited
GB814608A
Cited
US3263057A
Cited
FR1376753A
Cited
US3311736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |