US2803734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heater
Assignee: Individual
•
Filing: 1956-08-07
•
Granted: 1957-08-20
•
Expires: 1976-08-07
Abstract
No abstract record available.
Inventors
- 👤 Wesley M Germon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:53
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/002; F24H3/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US829318A
Cited
US1475162A
Cited
US1728377A
Cited
US2080800A
Cited
US2565570A
Cited
US2632836A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |