Patent US3180972A successfully refreshed from Google Patents.
US3180972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
End table heater
Assignee: Individual
•
Filing: 1962-03-08
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Granted: 1965-04-27
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Expires: 1982-03-08
Abstract
No abstract record available.
Inventors
- 👤 Darrell W Covault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:48
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/04; F24H3/0405
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
181 words
A HEATER COMPRISING OF AN ENCLOSURE, AN EGRESS GRILLE AT ONE END OF THE ENCLOSURE, AN AIR FLOW INDUCING MEANS LOCATED ADJACENT THE OPPOSITE END OF THE ENCLSOURE AND DIRECTING AN AIR FLOW THROUGH THE ENCLOSURE AND OUT THE EGRESS GRILLE, HEAT SOURCE MEANS MOUNTED WITHIN THE ENCLOSURE BEBETWEEN THE AIR FLOW INDICATING MEANS AND THE EGRESS MEANS AND IN THE PATH OF THE AIR FLOW, AND A HEAT EXCHANGE ASSEMBLY MOUNTED WITHIN THE ENCLOSURE BETWEEN THE HEAT SOURCE MEANS AND THE EGRESS MEANS AND ASSEMBLY INCLUDING A BAFFLE PLATE EXTENDING TRANSVERSELY ACROSS THE FLOW PATH, SAID BAFFLE PLATE BEING PROVIDED WITH A PLURALITY OF HOLES SO AS TO ALLOW FOR A FLOW OF AIR THERETHROUGH, AND A PLURALITY OF HEAT TRANSMITTING RODS EXTENDING FROM THE BAFFLE PLATE ON THE SIDE DIRECTED AWAY FROM THE HEAT SOURCE AND TOWARD THE EGRESS GRILLE, SAID HEAT SOURCE MEANS CONSISTING OF HEAT LAMPS LOCATED LATERALLY OF THE AIR FLOW INDUCING MEANS, AND A DEFLECTOR PLATE IN THE ENCLOSURE POSITIONED SO AS TO DIRECT A PORTION OF THE AIR FLOW LATERALLY PAST THE HEAT LAMPS.
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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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |