US3207211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eaves trough with radiation absorbing attachment
Assignee: Individual
•
Filing: 1963-07-03
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Granted: 1965-09-21
•
Expires: 1983-07-03
Abstract
No abstract record available.
Inventors
- 👤 Irving J Winterfeldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:28
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/04; E04D13/076; E04D13/0762; F; F24; F24S; F24S20/00; F24S20/60; F24S20/67; Y; Y02; Y02B; Y02B10/00; Y02B10/20; Y02E; Y02E10/00; Y02E10/40; Y02E10/44; Y10; Y10S; Y10S165/00; Y10S165/904
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
THE COMBINATION WITH AN EAVES TROUGH, OF A RADIATION ABSORBING TAB IN HEAT CONDUCTIVE CONNECTION WITH THE BOTTOM OF THE TROUGH AND PROJECTING OUTWARDLY IN A GENERALLY HORIZONTAL DIRECTION FROM THE TROUGH WITH A HEAT ABSORBING SURFACE SUFFICIENTLY REMOTE FROM SAID CONNECTION WITH THE BOTTOM OF THE TROUGH TO BE UNSHADED THEREBY, SAID SURFACE FACING UPWARDLY, WHEREBY SAID TAB IS ADAPTED TO DELIVER HEAT TO THE BOTTOM OF THE TROUGH TO MELT ICE AND SLUSH THEREIN.
References Cited (Backward Citations)
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US874510A
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US2111251A
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US2780415A
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US2998006A
Cited
US3001331A
Cited
US3039453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |