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US3326265A
Expired / Lapsed
US
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Radiant heating means
Assignee: Individual
•
Filing: 1965-03-16
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Granted: 1967-06-20
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Expires: 1985-03-16
Abstract
No abstract record available.
Inventors
- 👤 Ray J Paulin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:06
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/04; F23; F23D; F23D14/00; F23D14/12; F23D14/14; F23D14/145; F24C3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA673616A
Cited
GB494087A
Cited
FR1129123A
Cited
GB893554A
Cited
US3084736A
Cited
US3114411A
Cited
US3139879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |