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US3947241B1
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US3947241B1 - - Google Patents
Assignee: Heat and Control Inc
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Filing: 1975-01-27
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Granted: 1985-03-26
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Expires: 1995-01-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:43
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/14; A47J27/16; A21; A21B; A21B1/00; A21B1/02; A21B1/24; A21B1/42; A21B1/48; A21B3/00; A21B3/04; A23; A23B; A23B2/00; A23B2/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-03-25 | 1988-09-24 | 1989-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-03-25 | 1992-09-24 | 1993-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-03-25 | 1996-09-24 | 1997-03-26 | $7700.00 | Window Closed / Lapsed |