US2859321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric resistance heater
Assignee: Individual
•
Filing: 1955-07-11
•
Granted: 1958-11-04
•
Expires: 1975-07-11
Abstract
No abstract record available.
Inventors
- 👤 Garaway Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:41
CPC Classifications
F; F24; F24C; F24C7/00; F24C7/04; F24C7/043; H; H05; H05B; H05B3/00; H05B3/20; H05B3/22; H05B3/26; H05B3/262
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US636203A
Cited
US1847653A
Cited
US1881444A
Cited
US2394591A
Cited
US2501322A
Cited
US2508511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |