US2763766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low voltage heating means
Assignee: Individual
•
Filing: 1953-01-06
•
Granted: 1956-09-18
•
Expires: 1973-01-06
Abstract
No abstract record available.
Inventors
- 👤 Lyon James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:37
CPC Classifications
H; H05; H05B; H05B3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US475189A
Cited
US494585A
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US1370631A
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US1684942A
Cited
US1816711A
Cited
US1738908A
Cited
US2070491A
Cited
US1949450A
Cited
US2182383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |