Patent US3473003A successfully refreshed from Google Patents.
US3473003A
Expired / Lapsed
US
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Wall covering material for use in space heating
Assignee: Individual
•
Filing: 1965-05-26
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Granted: 1969-10-14
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Expires: 1985-05-26
Abstract
No abstract record available.
Inventors
- 👤 Paul Eisler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:16
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/1925; F; F24; F24D; F24D13/00; F24D13/02; F24D13/022; F24D13/024; F24F; F24F5/00; F24F5/0089; F24F5/0092; H; H05; H05B; H05B3/00; H05B3/20; H05B3/22; H05B3/26; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2680800A
Cited
US2540295A
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US2613306A
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US2745942A
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US2889439A
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US2971073A
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US3010007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |