US3105137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating and/or cooling system
Assignee: ELECTRO TEMP CORP
•
Filing: 1960-01-19
•
Granted: 1963-09-24
•
Expires: 1980-01-19
Abstract
No abstract record available.
Inventors
- 👤 Edward M Sullivan
- 👤 William A Boucher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:44
CPC Classifications
F; F24; F24F; F24F5/00; F24F5/0003; F24D; F24D11/00; F24D3/00; F24D3/02; Y; Y10; Y10S; Y10S165/00; Y10S165/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |